161566920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:940

約数の個数: 128

約数和(自身を含む): 541872000

約数和(自身を除く): 380305080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 211, 216, 270, 360, 422, 540, 633, 709, 844, 1055, 1080, 1266, 1418, 1688, 1899, 2110, 2127, 2532, 2836, 3165, 3545, 3798, 4220, 4254, 5064, 5672, 5697, 6330, 6381, 7090, 7596, 8440, 8508, 9495, 10635, 11394, 12660, 12762, 14180, 15192, 17016, 18990, 19143, 21270, 22788, 25320, 25524, 28360, 28485, 31905, 37980, 38286, 42540, 45576, 51048, 56970, 63810, 75960, 76572, 85080, 95715, 113940, 127620, 149599, 153144, 191430, 227880, 255240, 299198, 382860, 448797, 598396, 747995, 765720, 897594, 1196792, 1346391, 1495990, 1795188, 2243985, 2692782, 2991980, 3590376, 4039173, 4487970, 5385564, 5983960, 6731955, 8078346, 8975940, 10771128, 13463910, 16156692, 17951880, 20195865, 26927820, 32313384, 40391730, 53855640, 80783460, 161566920]

約数ペア:

[(1, 161566920), (2, 80783460), (3, 53855640), (4, 40391730), (5, 32313384), (6, 26927820), (8, 20195865), (9, 17951880), (10, 16156692), (12, 13463910), (15, 10771128), (18, 8975940), (20, 8078346), (24, 6731955), (27, 5983960), (30, 5385564), (36, 4487970), (40, 4039173), (45, 3590376), (54, 2991980), (60, 2692782), (72, 2243985), (90, 1795188), (108, 1495990), (120, 1346391), (135, 1196792), (180, 897594), (211, 765720), (216, 747995), (270, 598396), (360, 448797), (422, 382860), (540, 299198), (633, 255240), (709, 227880), (844, 191430), (1055, 153144), (1080, 149599), (1266, 127620), (1418, 113940), (1688, 95715), (1899, 85080), (2110, 76572), (2127, 75960), (2532, 63810), (2836, 56970), (3165, 51048), (3545, 45576), (3798, 42540), (4220, 38286), (4254, 37980), (5064, 31905), (5672, 28485), (5697, 28360), (6330, 25524), (6381, 25320), (7090, 22788), (7596, 21270), (8440, 19143), (8508, 18990), (9495, 17016), (10635, 15192), (11394, 14180), (12660, 12762)]