20163940720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1153}}^1$

素因数の和:1368

約数の個数: 320

約数和(自身を含む): 62312011776

約数和(自身を除く): 42148071056

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 167, 170, 176, 187, 220, 238, 272, 280, 308, 334, 340, 374, 385, 440, 476, 560, 595, 616, 668, 680, 748, 770, 835, 880, 935, 952, 1153, 1169, 1190, 1232, 1309, 1336, 1360, 1496, 1540, 1670, 1837, 1870, 1904, 2306, 2338, 2380, 2618, 2672, 2839, 2992, 3080, 3340, 3674, 3740, 4612, 4676, 4760, 5236, 5678, 5765, 5845, 6160, 6545, 6680, 7348, 7480, 8071, 9185, 9224, 9352, 9520, 10472, 11356, 11530, 11690, 12683, 12859, 13090, 13360, 14195, 14696, 14960, 16142, 18370, 18448, 18704, 19601, 19873, 20944, 22712, 23060, 23380, 25366, 25718, 26180, 28390, 29392, 31229, 32284, 36740, 39202, 39746, 40355, 45424, 46120, 46760, 50732, 51436, 52360, 56780, 62458, 63415, 64295, 64568, 73480, 78404, 79492, 80710, 88781, 92240, 93520, 98005, 99365, 101464, 102872, 104720, 113560, 124916, 126830, 128590, 129136, 137207, 146960, 156145, 156808, 158984, 161420, 177562, 192551, 196010, 198730, 202928, 205744, 215611, 218603, 227120, 249832, 253660, 257180, 274414, 312290, 313616, 317968, 322840, 355124, 385102, 392020, 397460, 431222, 437206, 443905, 499664, 507320, 514360, 548828, 624580, 645680, 686035, 710248, 770204, 784040, 794920, 862444, 874412, 887810, 962755, 1014640, 1028720, 1078055, 1093015, 1097656, 1249160, 1347857, 1372070, 1420496, 1509277, 1540408, 1568080, 1589840, 1724888, 1748824, 1775620, 1925510, 2118061, 2156110, 2186030, 2195312, 2498320, 2695714, 2744140, 3018554, 3080816, 3273367, 3449776, 3497648, 3551240, 3851020, 4236122, 4312220, 4372060, 5391428, 5488280, 6037108, 6546734, 6739285, 7102480, 7546385, 7702040, 8472244, 8624440, 8744120, 10590305, 10782856, 10976560, 12074216, 13093468, 13478570, 14826427, 15092770, 15404080, 16366835, 16944488, 17248880, 17488240, 21180610, 21565712, 22913569, 24148432, 26186936, 26957140, 29652854, 30185540, 32733670, 33888976, 36007037, 42361220, 45827138, 52373872, 53914280, 59305708, 60371080, 65467340, 72014074, 74132135, 84722440, 91654276, 107828560, 114567845, 118611416, 120742160, 130934680, 144028148, 148264270, 169444880, 180035185, 183308552, 229135690, 237222832, 252049259, 261869360, 288056296, 296528540, 360070370, 366617104, 458271380, 504098518, 576112592, 593057080, 720140740, 916542760, 1008197036, 1186114160, 1260246295, 1440281480, 1833085520, 2016394072, 2520492590, 2880562960, 4032788144, 5040985180, 10081970360, 20163940720]

約数ペア:

[(1, 20163940720), (2, 10081970360), (4, 5040985180), (5, 4032788144), (7, 2880562960), (8, 2520492590), (10, 2016394072), (11, 1833085520), (14, 1440281480), (16, 1260246295), (17, 1186114160), (20, 1008197036), (22, 916542760), (28, 720140740), (34, 593057080), (35, 576112592), (40, 504098518), (44, 458271380), (55, 366617104), (56, 360070370), (68, 296528540), (70, 288056296), (77, 261869360), (80, 252049259), (85, 237222832), (88, 229135690), (110, 183308552), (112, 180035185), (119, 169444880), (136, 148264270), (140, 144028148), (154, 130934680), (167, 120742160), (170, 118611416), (176, 114567845), (187, 107828560), (220, 91654276), (238, 84722440), (272, 74132135), (280, 72014074), (308, 65467340), (334, 60371080), (340, 59305708), (374, 53914280), (385, 52373872), (440, 45827138), (476, 42361220), (560, 36007037), (595, 33888976), (616, 32733670), (668, 30185540), (680, 29652854), (748, 26957140), (770, 26186936), (835, 24148432), (880, 22913569), (935, 21565712), (952, 21180610), (1153, 17488240), (1169, 17248880), (1190, 16944488), (1232, 16366835), (1309, 15404080), (1336, 15092770), (1360, 14826427), (1496, 13478570), (1540, 13093468), (1670, 12074216), (1837, 10976560), (1870, 10782856), (1904, 10590305), (2306, 8744120), (2338, 8624440), (2380, 8472244), (2618, 7702040), (2672, 7546385), (2839, 7102480), (2992, 6739285), (3080, 6546734), (3340, 6037108), (3674, 5488280), (3740, 5391428), (4612, 4372060), (4676, 4312220), (4760, 4236122), (5236, 3851020), (5678, 3551240), (5765, 3497648), (5845, 3449776), (6160, 3273367), (6545, 3080816), (6680, 3018554), (7348, 2744140), (7480, 2695714), (8071, 2498320), (9185, 2195312), (9224, 2186030), (9352, 2156110), (9520, 2118061), (10472, 1925510), (11356, 1775620), (11530, 1748824), (11690, 1724888), (12683, 1589840), (12859, 1568080), (13090, 1540408), (13360, 1509277), (14195, 1420496), (14696, 1372070), (14960, 1347857), (16142, 1249160), (18370, 1097656), (18448, 1093015), (18704, 1078055), (19601, 1028720), (19873, 1014640), (20944, 962755), (22712, 887810), (23060, 874412), (23380, 862444), (25366, 794920), (25718, 784040), (26180, 770204), (28390, 710248), (29392, 686035), (31229, 645680), (32284, 624580), (36740, 548828), (39202, 514360), (39746, 507320), (40355, 499664), (45424, 443905), (46120, 437206), (46760, 431222), (50732, 397460), (51436, 392020), (52360, 385102), (56780, 355124), (62458, 322840), (63415, 317968), (64295, 313616), (64568, 312290), (73480, 274414), (78404, 257180), (79492, 253660), (80710, 249832), (88781, 227120), (92240, 218603), (93520, 215611), (98005, 205744), (99365, 202928), (101464, 198730), (102872, 196010), (104720, 192551), (113560, 177562), (124916, 161420), (126830, 158984), (128590, 156808), (129136, 156145), (137207, 146960)]