1620234120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{3571}}^1$

素因数の和:3803

約数の個数: 128

約数和(自身を含む): 5143680000

約数和(自身を除く): 3523445880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 380, 398, 456, 570, 597, 760, 796, 995, 1140, 1194, 1592, 1990, 2280, 2388, 2985, 3571, 3781, 3980, 4776, 5970, 7142, 7562, 7960, 10713, 11343, 11940, 14284, 15124, 17855, 18905, 21426, 22686, 23880, 28568, 30248, 35710, 37810, 42852, 45372, 53565, 56715, 67849, 71420, 75620, 85704, 90744, 107130, 113430, 135698, 142840, 151240, 203547, 214260, 226860, 271396, 339245, 407094, 428520, 453720, 542792, 678490, 710629, 814188, 1017735, 1356980, 1421258, 1628376, 2035470, 2131887, 2713960, 2842516, 3553145, 4070940, 4263774, 5685032, 7106290, 8141880, 8527548, 10659435, 13501951, 14212580, 17055096, 21318870, 27003902, 28425160, 40505853, 42637740, 54007804, 67509755, 81011706, 85275480, 108015608, 135019510, 162023412, 202529265, 270039020, 324046824, 405058530, 540078040, 810117060, 1620234120]

約数ペア:

[(1, 1620234120), (2, 810117060), (3, 540078040), (4, 405058530), (5, 324046824), (6, 270039020), (8, 202529265), (10, 162023412), (12, 135019510), (15, 108015608), (19, 85275480), (20, 81011706), (24, 67509755), (30, 54007804), (38, 42637740), (40, 40505853), (57, 28425160), (60, 27003902), (76, 21318870), (95, 17055096), (114, 14212580), (120, 13501951), (152, 10659435), (190, 8527548), (199, 8141880), (228, 7106290), (285, 5685032), (380, 4263774), (398, 4070940), (456, 3553145), (570, 2842516), (597, 2713960), (760, 2131887), (796, 2035470), (995, 1628376), (1140, 1421258), (1194, 1356980), (1592, 1017735), (1990, 814188), (2280, 710629), (2388, 678490), (2985, 542792), (3571, 453720), (3781, 428520), (3980, 407094), (4776, 339245), (5970, 271396), (7142, 226860), (7562, 214260), (7960, 203547), (10713, 151240), (11343, 142840), (11940, 135698), (14284, 113430), (15124, 107130), (17855, 90744), (18905, 85704), (21426, 75620), (22686, 71420), (23880, 67849), (28568, 56715), (30248, 53565), (35710, 45372), (37810, 42852)]