78998850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:865

約数の個数: 144

約数和(自身を含む): 250698240

約数和(自身を除く): 171699390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 50, 62, 63, 70, 75, 90, 93, 105, 126, 150, 155, 175, 186, 210, 217, 225, 279, 310, 315, 350, 434, 450, 465, 525, 558, 630, 651, 775, 809, 930, 1050, 1085, 1302, 1395, 1550, 1575, 1618, 1953, 2170, 2325, 2427, 2790, 3150, 3255, 3906, 4045, 4650, 4854, 5425, 5663, 6510, 6975, 7281, 8090, 9765, 10850, 11326, 12135, 13950, 14562, 16275, 16989, 19530, 20225, 24270, 25079, 28315, 32550, 33978, 36405, 40450, 48825, 50158, 50967, 56630, 60675, 72810, 75237, 84945, 97650, 101934, 121350, 125395, 141575, 150474, 169890, 175553, 182025, 225711, 250790, 254835, 283150, 351106, 364050, 376185, 424725, 451422, 509670, 526659, 626975, 752370, 849450, 877765, 1053318, 1128555, 1253950, 1274175, 1579977, 1755530, 1880925, 2257110, 2548350, 2633295, 3159954, 3761850, 4388825, 5266590, 5642775, 7899885, 8777650, 11285550, 13166475, 15799770, 26332950, 39499425, 78998850]

約数ペア:

[(1, 78998850), (2, 39499425), (3, 26332950), (5, 15799770), (6, 13166475), (7, 11285550), (9, 8777650), (10, 7899885), (14, 5642775), (15, 5266590), (18, 4388825), (21, 3761850), (25, 3159954), (30, 2633295), (31, 2548350), (35, 2257110), (42, 1880925), (45, 1755530), (50, 1579977), (62, 1274175), (63, 1253950), (70, 1128555), (75, 1053318), (90, 877765), (93, 849450), (105, 752370), (126, 626975), (150, 526659), (155, 509670), (175, 451422), (186, 424725), (210, 376185), (217, 364050), (225, 351106), (279, 283150), (310, 254835), (315, 250790), (350, 225711), (434, 182025), (450, 175553), (465, 169890), (525, 150474), (558, 141575), (630, 125395), (651, 121350), (775, 101934), (809, 97650), (930, 84945), (1050, 75237), (1085, 72810), (1302, 60675), (1395, 56630), (1550, 50967), (1575, 50158), (1618, 48825), (1953, 40450), (2170, 36405), (2325, 33978), (2427, 32550), (2790, 28315), (3150, 25079), (3255, 24270), (3906, 20225), (4045, 19530), (4650, 16989), (4854, 16275), (5425, 14562), (5663, 13950), (6510, 12135), (6975, 11326), (7281, 10850), (8090, 9765)]