668581875

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 1337271936

約数和(自身を除く): 668690061

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 125, 195, 205, 223, 225, 325, 369, 375, 533, 585, 615, 625, 669, 975, 1025, 1115, 1125, 1599, 1625, 1845, 1875, 2007, 2665, 2899, 2925, 3075, 3345, 4797, 4875, 5125, 5575, 5625, 7995, 8125, 8697, 9143, 9225, 10035, 13325, 14495, 14625, 15375, 16725, 23985, 24375, 25625, 26091, 27429, 27875, 39975, 43485, 45715, 46125, 50175, 66625, 72475, 73125, 76875, 82287, 83625, 118859, 119925, 130455, 137145, 139375, 199875, 217425, 228575, 230625, 250875, 333125, 356577, 362375, 411435, 418125, 594295, 599625, 652275, 685725, 999375, 1069731, 1087125, 1142875, 1254375, 1782885, 1811875, 2057175, 2971475, 2998125, 3261375, 3428625, 5348655, 5435625, 5714375, 8914425, 10285875, 14857375, 16306875, 17143125, 26743275, 44572125, 51429375, 74286875, 133716375, 222860625, 668581875]

約数ペア:

[(1, 668581875), (3, 222860625), (5, 133716375), (9, 74286875), (13, 51429375), (15, 44572125), (25, 26743275), (39, 17143125), (41, 16306875), (45, 14857375), (65, 10285875), (75, 8914425), (117, 5714375), (123, 5435625), (125, 5348655), (195, 3428625), (205, 3261375), (223, 2998125), (225, 2971475), (325, 2057175), (369, 1811875), (375, 1782885), (533, 1254375), (585, 1142875), (615, 1087125), (625, 1069731), (669, 999375), (975, 685725), (1025, 652275), (1115, 599625), (1125, 594295), (1599, 418125), (1625, 411435), (1845, 362375), (1875, 356577), (2007, 333125), (2665, 250875), (2899, 230625), (2925, 228575), (3075, 217425), (3345, 199875), (4797, 139375), (4875, 137145), (5125, 130455), (5575, 119925), (5625, 118859), (7995, 83625), (8125, 82287), (8697, 76875), (9143, 73125), (9225, 72475), (10035, 66625), (13325, 50175), (14495, 46125), (14625, 45715), (15375, 43485), (16725, 39975), (23985, 27875), (24375, 27429), (25625, 26091)]