78545940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 250252800

約数和(自身を除く): 171706860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 121, 124, 132, 155, 165, 186, 220, 242, 310, 330, 341, 349, 363, 372, 465, 484, 605, 620, 660, 682, 698, 726, 930, 1023, 1047, 1210, 1364, 1396, 1452, 1705, 1745, 1815, 1860, 2046, 2094, 2420, 3410, 3490, 3630, 3751, 3839, 4092, 4188, 5115, 5235, 6820, 6980, 7260, 7502, 7678, 10230, 10470, 10819, 11253, 11517, 15004, 15356, 18755, 19195, 20460, 20940, 21638, 22506, 23034, 32457, 37510, 38390, 42229, 43276, 45012, 46068, 54095, 56265, 57585, 64914, 75020, 76780, 84458, 108190, 112530, 115170, 119009, 126687, 129828, 162285, 168916, 211145, 216380, 225060, 230340, 238018, 253374, 324570, 357027, 422290, 476036, 506748, 595045, 633435, 649140, 714054, 844580, 1190090, 1266870, 1309099, 1428108, 1785135, 2380180, 2533740, 2618198, 3570270, 3927297, 5236396, 6545495, 7140540, 7854594, 13090990, 15709188, 19636485, 26181980, 39272970, 78545940]

約数ペア:

[(1, 78545940), (2, 39272970), (3, 26181980), (4, 19636485), (5, 15709188), (6, 13090990), (10, 7854594), (11, 7140540), (12, 6545495), (15, 5236396), (20, 3927297), (22, 3570270), (30, 2618198), (31, 2533740), (33, 2380180), (44, 1785135), (55, 1428108), (60, 1309099), (62, 1266870), (66, 1190090), (93, 844580), (110, 714054), (121, 649140), (124, 633435), (132, 595045), (155, 506748), (165, 476036), (186, 422290), (220, 357027), (242, 324570), (310, 253374), (330, 238018), (341, 230340), (349, 225060), (363, 216380), (372, 211145), (465, 168916), (484, 162285), (605, 129828), (620, 126687), (660, 119009), (682, 115170), (698, 112530), (726, 108190), (930, 84458), (1023, 76780), (1047, 75020), (1210, 64914), (1364, 57585), (1396, 56265), (1452, 54095), (1705, 46068), (1745, 45012), (1815, 43276), (1860, 42229), (2046, 38390), (2094, 37510), (2420, 32457), (3410, 23034), (3490, 22506), (3630, 21638), (3751, 20940), (3839, 20460), (4092, 19195), (4188, 18755), (5115, 15356), (5235, 15004), (6820, 11517), (6980, 11253), (7260, 10819), (7502, 10470), (7678, 10230)]