28219920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3793}}^1$

素因数の和:3840

約数の個数: 80

約数和(自身を含む): 90327552

約数和(自身を除く): 62107632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 3793, 7440, 7586, 11379, 15172, 18965, 22758, 30344, 37930, 45516, 56895, 60688, 75860, 91032, 113790, 117583, 151720, 182064, 227580, 235166, 303440, 352749, 455160, 470332, 587915, 705498, 910320, 940664, 1175830, 1410996, 1763745, 1881328, 2351660, 2821992, 3527490, 4703320, 5643984, 7054980, 9406640, 14109960, 28219920]

約数ペア:

[(1, 28219920), (2, 14109960), (3, 9406640), (4, 7054980), (5, 5643984), (6, 4703320), (8, 3527490), (10, 2821992), (12, 2351660), (15, 1881328), (16, 1763745), (20, 1410996), (24, 1175830), (30, 940664), (31, 910320), (40, 705498), (48, 587915), (60, 470332), (62, 455160), (80, 352749), (93, 303440), (120, 235166), (124, 227580), (155, 182064), (186, 151720), (240, 117583), (248, 113790), (310, 91032), (372, 75860), (465, 60688), (496, 56895), (620, 45516), (744, 37930), (930, 30344), (1240, 22758), (1488, 18965), (1860, 15172), (2480, 11379), (3720, 7586), (3793, 7440)]