18204750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 160

約数和(自身を含む): 54362880

約数和(自身を除く): 36158130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 31, 45, 50, 54, 58, 62, 75, 81, 87, 90, 93, 125, 135, 145, 150, 155, 162, 174, 186, 225, 250, 261, 270, 279, 290, 310, 375, 405, 435, 450, 465, 522, 558, 675, 725, 750, 775, 783, 810, 837, 870, 899, 930, 1125, 1305, 1350, 1395, 1450, 1550, 1566, 1674, 1798, 2025, 2175, 2250, 2325, 2349, 2511, 2610, 2697, 2790, 3375, 3625, 3875, 3915, 4050, 4185, 4350, 4495, 4650, 4698, 5022, 5394, 6525, 6750, 6975, 7250, 7750, 7830, 8091, 8370, 8990, 10125, 10875, 11625, 11745, 12555, 13050, 13485, 13950, 16182, 19575, 20250, 20925, 21750, 22475, 23250, 23490, 24273, 25110, 26970, 32625, 34875, 39150, 40455, 41850, 44950, 48546, 58725, 62775, 65250, 67425, 69750, 72819, 80910, 97875, 104625, 112375, 117450, 121365, 125550, 134850, 145638, 195750, 202275, 209250, 224750, 242730, 293625, 313875, 337125, 364095, 404550, 587250, 606825, 627750, 674250, 728190, 1011375, 1213650, 1820475, 2022750, 3034125, 3640950, 6068250, 9102375, 18204750]

約数ペア:

[(1, 18204750), (2, 9102375), (3, 6068250), (5, 3640950), (6, 3034125), (9, 2022750), (10, 1820475), (15, 1213650), (18, 1011375), (25, 728190), (27, 674250), (29, 627750), (30, 606825), (31, 587250), (45, 404550), (50, 364095), (54, 337125), (58, 313875), (62, 293625), (75, 242730), (81, 224750), (87, 209250), (90, 202275), (93, 195750), (125, 145638), (135, 134850), (145, 125550), (150, 121365), (155, 117450), (162, 112375), (174, 104625), (186, 97875), (225, 80910), (250, 72819), (261, 69750), (270, 67425), (279, 65250), (290, 62775), (310, 58725), (375, 48546), (405, 44950), (435, 41850), (450, 40455), (465, 39150), (522, 34875), (558, 32625), (675, 26970), (725, 25110), (750, 24273), (775, 23490), (783, 23250), (810, 22475), (837, 21750), (870, 20925), (899, 20250), (930, 19575), (1125, 16182), (1305, 13950), (1350, 13485), (1395, 13050), (1450, 12555), (1550, 11745), (1566, 11625), (1674, 10875), (1798, 10125), (2025, 8990), (2175, 8370), (2250, 8091), (2325, 7830), (2349, 7750), (2511, 7250), (2610, 6975), (2697, 6750), (2790, 6525), (3375, 5394), (3625, 5022), (3875, 4698), (3915, 4650), (4050, 4495), (4185, 4350)]