61420920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 221184000

約数和(自身を除く): 159763080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 31, 33, 38, 40, 44, 55, 57, 60, 62, 66, 76, 79, 88, 93, 95, 110, 114, 120, 124, 132, 152, 155, 158, 165, 186, 190, 209, 220, 228, 237, 248, 264, 285, 310, 316, 330, 341, 372, 380, 395, 418, 440, 456, 465, 474, 570, 589, 620, 627, 632, 660, 682, 744, 760, 790, 836, 869, 930, 948, 1023, 1045, 1140, 1178, 1185, 1240, 1254, 1320, 1364, 1501, 1580, 1672, 1705, 1738, 1767, 1860, 1896, 2046, 2090, 2280, 2356, 2370, 2449, 2508, 2607, 2728, 2945, 3002, 3135, 3160, 3410, 3476, 3534, 3720, 4092, 4180, 4345, 4503, 4712, 4740, 4898, 5016, 5115, 5214, 5890, 6004, 6270, 6479, 6820, 6952, 7068, 7347, 7505, 8184, 8360, 8690, 8835, 9006, 9480, 9796, 10230, 10428, 11780, 12008, 12245, 12540, 12958, 13035, 13640, 14136, 14694, 15010, 16511, 17380, 17670, 18012, 19437, 19592, 20460, 20856, 22515, 23560, 24490, 25080, 25916, 26070, 26939, 29388, 30020, 32395, 33022, 34760, 35340, 36024, 36735, 38874, 40920, 45030, 46531, 48980, 49533, 51832, 52140, 53878, 58776, 60040, 64790, 66044, 70680, 73470, 77748, 80817, 82555, 90060, 93062, 97185, 97960, 99066, 104280, 107756, 129580, 132088, 134695, 139593, 146940, 155496, 161634, 165110, 180120, 186124, 194370, 198132, 215512, 232655, 247665, 259160, 269390, 279186, 293880, 323268, 330220, 372248, 388740, 396264, 404085, 465310, 495330, 511841, 538780, 558372, 646536, 660440, 697965, 777480, 808170, 930620, 990660, 1023682, 1077560, 1116744, 1395930, 1535523, 1616340, 1861240, 1981320, 2047364, 2559205, 2791860, 3071046, 3232680, 4094728, 5118410, 5583720, 6142092, 7677615, 10236820, 12284184, 15355230, 20473640, 30710460, 61420920]

約数ペア:

[(1, 61420920), (2, 30710460), (3, 20473640), (4, 15355230), (5, 12284184), (6, 10236820), (8, 7677615), (10, 6142092), (11, 5583720), (12, 5118410), (15, 4094728), (19, 3232680), (20, 3071046), (22, 2791860), (24, 2559205), (30, 2047364), (31, 1981320), (33, 1861240), (38, 1616340), (40, 1535523), (44, 1395930), (55, 1116744), (57, 1077560), (60, 1023682), (62, 990660), (66, 930620), (76, 808170), (79, 777480), (88, 697965), (93, 660440), (95, 646536), (110, 558372), (114, 538780), (120, 511841), (124, 495330), (132, 465310), (152, 404085), (155, 396264), (158, 388740), (165, 372248), (186, 330220), (190, 323268), (209, 293880), (220, 279186), (228, 269390), (237, 259160), (248, 247665), (264, 232655), (285, 215512), (310, 198132), (316, 194370), (330, 186124), (341, 180120), (372, 165110), (380, 161634), (395, 155496), (418, 146940), (440, 139593), (456, 134695), (465, 132088), (474, 129580), (570, 107756), (589, 104280), (620, 99066), (627, 97960), (632, 97185), (660, 93062), (682, 90060), (744, 82555), (760, 80817), (790, 77748), (836, 73470), (869, 70680), (930, 66044), (948, 64790), (1023, 60040), (1045, 58776), (1140, 53878), (1178, 52140), (1185, 51832), (1240, 49533), (1254, 48980), (1320, 46531), (1364, 45030), (1501, 40920), (1580, 38874), (1672, 36735), (1705, 36024), (1738, 35340), (1767, 34760), (1860, 33022), (1896, 32395), (2046, 30020), (2090, 29388), (2280, 26939), (2356, 26070), (2370, 25916), (2449, 25080), (2508, 24490), (2607, 23560), (2728, 22515), (2945, 20856), (3002, 20460), (3135, 19592), (3160, 19437), (3410, 18012), (3476, 17670), (3534, 17380), (3720, 16511), (4092, 15010), (4180, 14694), (4345, 14136), (4503, 13640), (4712, 13035), (4740, 12958), (4898, 12540), (5016, 12245), (5115, 12008), (5214, 11780), (5890, 10428), (6004, 10230), (6270, 9796), (6479, 9480), (6820, 9006), (6952, 8835), (7068, 8690), (7347, 8360), (7505, 8184)]