20716080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 320

約数和(自身を含む): 85708800

約数和(自身を除く): 64992720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 59, 60, 66, 70, 76, 77, 80, 84, 88, 95, 105, 110, 112, 114, 118, 120, 132, 133, 140, 152, 154, 165, 168, 176, 177, 190, 209, 210, 220, 228, 231, 236, 240, 264, 266, 280, 285, 295, 304, 308, 330, 336, 354, 380, 385, 399, 413, 418, 420, 440, 456, 462, 472, 528, 532, 560, 570, 590, 616, 627, 649, 660, 665, 708, 760, 770, 798, 826, 836, 840, 880, 885, 912, 924, 944, 1045, 1064, 1121, 1140, 1155, 1180, 1232, 1239, 1254, 1298, 1320, 1330, 1416, 1463, 1520, 1540, 1596, 1652, 1672, 1680, 1770, 1848, 1947, 1995, 2065, 2090, 2128, 2242, 2280, 2310, 2360, 2478, 2508, 2596, 2640, 2660, 2832, 2926, 3080, 3135, 3192, 3245, 3304, 3344, 3363, 3540, 3696, 3894, 3990, 4130, 4180, 4389, 4484, 4543, 4560, 4620, 4720, 4956, 5016, 5192, 5320, 5605, 5852, 6160, 6195, 6270, 6384, 6490, 6608, 6726, 7080, 7315, 7788, 7847, 7980, 8260, 8360, 8778, 8968, 9086, 9240, 9735, 9912, 10032, 10384, 10640, 11210, 11704, 12331, 12390, 12540, 12980, 13452, 13629, 14160, 14630, 15576, 15694, 15960, 16520, 16720, 16815, 17556, 17936, 18172, 18480, 19470, 19824, 21945, 22420, 22715, 23408, 23541, 24662, 24780, 25080, 25960, 26904, 27258, 29260, 31152, 31388, 31920, 33040, 33630, 35112, 36344, 36993, 38940, 39235, 43890, 44840, 45430, 47082, 49324, 49560, 50160, 51920, 53808, 54516, 58520, 61655, 62776, 67260, 68145, 70224, 72688, 73986, 77880, 78470, 86317, 87780, 89680, 90860, 94164, 98648, 99120, 109032, 117040, 117705, 123310, 125552, 134520, 136290, 147972, 155760, 156940, 172634, 175560, 181720, 184965, 188328, 197296, 218064, 235410, 246620, 258951, 269040, 272580, 295944, 313880, 345268, 351120, 363440, 369930, 376656, 431585, 470820, 493240, 517902, 545160, 591888, 627760, 690536, 739860, 863170, 941640, 986480, 1035804, 1090320, 1294755, 1381072, 1479720, 1726340, 1883280, 2071608, 2589510, 2959440, 3452680, 4143216, 5179020, 6905360, 10358040, 20716080]

約数ペア:

[(1, 20716080), (2, 10358040), (3, 6905360), (4, 5179020), (5, 4143216), (6, 3452680), (7, 2959440), (8, 2589510), (10, 2071608), (11, 1883280), (12, 1726340), (14, 1479720), (15, 1381072), (16, 1294755), (19, 1090320), (20, 1035804), (21, 986480), (22, 941640), (24, 863170), (28, 739860), (30, 690536), (33, 627760), (35, 591888), (38, 545160), (40, 517902), (42, 493240), (44, 470820), (48, 431585), (55, 376656), (56, 369930), (57, 363440), (59, 351120), (60, 345268), (66, 313880), (70, 295944), (76, 272580), (77, 269040), (80, 258951), (84, 246620), (88, 235410), (95, 218064), (105, 197296), (110, 188328), (112, 184965), (114, 181720), (118, 175560), (120, 172634), (132, 156940), (133, 155760), (140, 147972), (152, 136290), (154, 134520), (165, 125552), (168, 123310), (176, 117705), (177, 117040), (190, 109032), (209, 99120), (210, 98648), (220, 94164), (228, 90860), (231, 89680), (236, 87780), (240, 86317), (264, 78470), (266, 77880), (280, 73986), (285, 72688), (295, 70224), (304, 68145), (308, 67260), (330, 62776), (336, 61655), (354, 58520), (380, 54516), (385, 53808), (399, 51920), (413, 50160), (418, 49560), (420, 49324), (440, 47082), (456, 45430), (462, 44840), (472, 43890), (528, 39235), (532, 38940), (560, 36993), (570, 36344), (590, 35112), (616, 33630), (627, 33040), (649, 31920), (660, 31388), (665, 31152), (708, 29260), (760, 27258), (770, 26904), (798, 25960), (826, 25080), (836, 24780), (840, 24662), (880, 23541), (885, 23408), (912, 22715), (924, 22420), (944, 21945), (1045, 19824), (1064, 19470), (1121, 18480), (1140, 18172), (1155, 17936), (1180, 17556), (1232, 16815), (1239, 16720), (1254, 16520), (1298, 15960), (1320, 15694), (1330, 15576), (1416, 14630), (1463, 14160), (1520, 13629), (1540, 13452), (1596, 12980), (1652, 12540), (1672, 12390), (1680, 12331), (1770, 11704), (1848, 11210), (1947, 10640), (1995, 10384), (2065, 10032), (2090, 9912), (2128, 9735), (2242, 9240), (2280, 9086), (2310, 8968), (2360, 8778), (2478, 8360), (2508, 8260), (2596, 7980), (2640, 7847), (2660, 7788), (2832, 7315), (2926, 7080), (3080, 6726), (3135, 6608), (3192, 6490), (3245, 6384), (3304, 6270), (3344, 6195), (3363, 6160), (3540, 5852), (3696, 5605), (3894, 5320), (3990, 5192), (4130, 5016), (4180, 4956), (4389, 4720), (4484, 4620), (4543, 4560)]