211679880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 656449920

約数和(自身を除く): 444770040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 83, 106, 120, 159, 166, 212, 249, 265, 318, 332, 401, 415, 424, 498, 530, 636, 664, 795, 802, 830, 996, 1060, 1203, 1245, 1272, 1590, 1604, 1660, 1992, 2005, 2120, 2406, 2490, 3180, 3208, 3320, 4010, 4399, 4812, 4980, 6015, 6360, 8020, 8798, 9624, 9960, 12030, 13197, 16040, 17596, 21253, 21995, 24060, 26394, 33283, 35192, 42506, 43990, 48120, 52788, 63759, 65985, 66566, 85012, 87980, 99849, 105576, 106265, 127518, 131970, 133132, 166415, 170024, 175960, 199698, 212530, 255036, 263940, 266264, 318795, 332830, 399396, 425060, 499245, 510072, 527880, 637590, 665660, 798792, 850120, 998490, 1275180, 1331320, 1763999, 1996980, 2550360, 3527998, 3993960, 5291997, 7055996, 8819995, 10583994, 14111992, 17639990, 21167988, 26459985, 35279980, 42335976, 52919970, 70559960, 105839940, 211679880]

約数ペア:

[(1, 211679880), (2, 105839940), (3, 70559960), (4, 52919970), (5, 42335976), (6, 35279980), (8, 26459985), (10, 21167988), (12, 17639990), (15, 14111992), (20, 10583994), (24, 8819995), (30, 7055996), (40, 5291997), (53, 3993960), (60, 3527998), (83, 2550360), (106, 1996980), (120, 1763999), (159, 1331320), (166, 1275180), (212, 998490), (249, 850120), (265, 798792), (318, 665660), (332, 637590), (401, 527880), (415, 510072), (424, 499245), (498, 425060), (530, 399396), (636, 332830), (664, 318795), (795, 266264), (802, 263940), (830, 255036), (996, 212530), (1060, 199698), (1203, 175960), (1245, 170024), (1272, 166415), (1590, 133132), (1604, 131970), (1660, 127518), (1992, 106265), (2005, 105576), (2120, 99849), (2406, 87980), (2490, 85012), (3180, 66566), (3208, 65985), (3320, 63759), (4010, 52788), (4399, 48120), (4812, 43990), (4980, 42506), (6015, 35192), (6360, 33283), (8020, 26394), (8798, 24060), (9624, 21995), (9960, 21253), (12030, 17596), (13197, 16040)]