81464250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 237219840

約数和(自身を除く): 155755590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 59, 70, 75, 105, 118, 125, 150, 175, 177, 210, 250, 263, 295, 350, 354, 375, 413, 525, 526, 590, 750, 789, 826, 875, 885, 1050, 1239, 1315, 1475, 1578, 1750, 1770, 1841, 2065, 2478, 2625, 2630, 2950, 3682, 3945, 4130, 4425, 5250, 5523, 6195, 6575, 7375, 7890, 8850, 9205, 10325, 11046, 12390, 13150, 14750, 15517, 18410, 19725, 20650, 22125, 27615, 30975, 31034, 32875, 39450, 44250, 46025, 46551, 51625, 55230, 61950, 65750, 77585, 92050, 93102, 98625, 103250, 108619, 138075, 154875, 155170, 197250, 217238, 230125, 232755, 276150, 309750, 325857, 387925, 460250, 465510, 543095, 651714, 690375, 775850, 1086190, 1163775, 1380750, 1629285, 1939625, 2327550, 2715475, 3258570, 3879250, 5430950, 5818875, 8146425, 11637750, 13577375, 16292850, 27154750, 40732125, 81464250]

約数ペア:

[(1, 81464250), (2, 40732125), (3, 27154750), (5, 16292850), (6, 13577375), (7, 11637750), (10, 8146425), (14, 5818875), (15, 5430950), (21, 3879250), (25, 3258570), (30, 2715475), (35, 2327550), (42, 1939625), (50, 1629285), (59, 1380750), (70, 1163775), (75, 1086190), (105, 775850), (118, 690375), (125, 651714), (150, 543095), (175, 465510), (177, 460250), (210, 387925), (250, 325857), (263, 309750), (295, 276150), (350, 232755), (354, 230125), (375, 217238), (413, 197250), (525, 155170), (526, 154875), (590, 138075), (750, 108619), (789, 103250), (826, 98625), (875, 93102), (885, 92050), (1050, 77585), (1239, 65750), (1315, 61950), (1475, 55230), (1578, 51625), (1750, 46551), (1770, 46025), (1841, 44250), (2065, 39450), (2478, 32875), (2625, 31034), (2630, 30975), (2950, 27615), (3682, 22125), (3945, 20650), (4130, 19725), (4425, 18410), (5250, 15517), (5523, 14750), (6195, 13150), (6575, 12390), (7375, 11046), (7890, 10325), (8850, 9205)]