2571470040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 7801920000

約数和(自身を除く): 5230449960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 257, 398, 419, 514, 597, 771, 796, 838, 995, 1028, 1194, 1257, 1285, 1542, 1592, 1676, 1990, 2056, 2095, 2388, 2514, 2570, 2985, 3084, 3352, 3855, 3980, 4190, 4776, 5028, 5140, 5970, 6168, 6285, 7710, 7960, 8380, 10056, 10280, 11940, 12570, 15420, 16760, 23880, 25140, 30840, 50280, 51143, 83381, 102286, 107683, 153429, 166762, 204572, 215366, 250143, 255715, 306858, 323049, 333524, 409144, 416905, 430732, 500286, 511430, 538415, 613716, 646098, 667048, 767145, 833810, 861464, 1000572, 1022860, 1076830, 1227432, 1250715, 1292196, 1534290, 1615245, 1667620, 2001144, 2045720, 2153660, 2501430, 2584392, 3068580, 3230490, 3335240, 4307320, 5002860, 6137160, 6460980, 10005720, 12921960, 21428917, 42857834, 64286751, 85715668, 107144585, 128573502, 171431336, 214289170, 257147004, 321433755, 428578340, 514294008, 642867510, 857156680, 1285735020, 2571470040]

約数ペア:

[(1, 2571470040), (2, 1285735020), (3, 857156680), (4, 642867510), (5, 514294008), (6, 428578340), (8, 321433755), (10, 257147004), (12, 214289170), (15, 171431336), (20, 128573502), (24, 107144585), (30, 85715668), (40, 64286751), (60, 42857834), (120, 21428917), (199, 12921960), (257, 10005720), (398, 6460980), (419, 6137160), (514, 5002860), (597, 4307320), (771, 3335240), (796, 3230490), (838, 3068580), (995, 2584392), (1028, 2501430), (1194, 2153660), (1257, 2045720), (1285, 2001144), (1542, 1667620), (1592, 1615245), (1676, 1534290), (1990, 1292196), (2056, 1250715), (2095, 1227432), (2388, 1076830), (2514, 1022860), (2570, 1000572), (2985, 861464), (3084, 833810), (3352, 767145), (3855, 667048), (3980, 646098), (4190, 613716), (4776, 538415), (5028, 511430), (5140, 500286), (5970, 430732), (6168, 416905), (6285, 409144), (7710, 333524), (7960, 323049), (8380, 306858), (10056, 255715), (10280, 250143), (11940, 215366), (12570, 204572), (15420, 166762), (16760, 153429), (23880, 107683), (25140, 102286), (30840, 83381), (50280, 51143)]