78775960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 200931840

約数和(自身を除く): 122155880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 37, 40, 62, 68, 74, 85, 101, 124, 136, 148, 155, 170, 185, 202, 248, 296, 310, 340, 370, 404, 505, 527, 620, 629, 680, 740, 808, 1010, 1054, 1147, 1240, 1258, 1480, 1717, 2020, 2108, 2294, 2516, 2635, 3131, 3145, 3434, 3737, 4040, 4216, 4588, 5032, 5270, 5735, 6262, 6290, 6868, 7474, 8585, 9176, 10540, 11470, 12524, 12580, 13736, 14948, 15655, 17170, 18685, 19499, 21080, 22940, 25048, 25160, 29896, 31310, 34340, 37370, 38998, 45880, 53227, 62620, 63529, 68680, 74740, 77996, 97495, 106454, 115847, 125240, 127058, 149480, 155992, 194990, 212908, 231694, 254116, 266135, 317645, 389980, 425816, 463388, 508232, 532270, 579235, 635290, 779960, 926776, 1064540, 1158470, 1270580, 1969399, 2129080, 2316940, 2541160, 3938798, 4633880, 7877596, 9846995, 15755192, 19693990, 39387980, 78775960]

約数ペア:

[(1, 78775960), (2, 39387980), (4, 19693990), (5, 15755192), (8, 9846995), (10, 7877596), (17, 4633880), (20, 3938798), (31, 2541160), (34, 2316940), (37, 2129080), (40, 1969399), (62, 1270580), (68, 1158470), (74, 1064540), (85, 926776), (101, 779960), (124, 635290), (136, 579235), (148, 532270), (155, 508232), (170, 463388), (185, 425816), (202, 389980), (248, 317645), (296, 266135), (310, 254116), (340, 231694), (370, 212908), (404, 194990), (505, 155992), (527, 149480), (620, 127058), (629, 125240), (680, 115847), (740, 106454), (808, 97495), (1010, 77996), (1054, 74740), (1147, 68680), (1240, 63529), (1258, 62620), (1480, 53227), (1717, 45880), (2020, 38998), (2108, 37370), (2294, 34340), (2516, 31310), (2635, 29896), (3131, 25160), (3145, 25048), (3434, 22940), (3737, 21080), (4040, 19499), (4216, 18685), (4588, 17170), (5032, 15655), (5270, 14948), (5735, 13736), (6262, 12580), (6290, 12524), (6868, 11470), (7474, 10540), (8585, 9176)]