7981920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 28540512

約数和(自身を除く): 20558592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 241, 276, 288, 345, 360, 368, 414, 460, 480, 482, 552, 690, 720, 723, 736, 828, 920, 964, 1035, 1104, 1205, 1380, 1440, 1446, 1656, 1840, 1928, 2070, 2169, 2208, 2410, 2760, 2892, 3312, 3615, 3680, 3856, 4140, 4338, 4820, 5520, 5543, 5784, 6624, 7230, 7712, 8280, 8676, 9640, 10845, 11040, 11086, 11568, 14460, 16560, 16629, 17352, 19280, 21690, 22172, 23136, 27715, 28920, 33120, 33258, 34704, 38560, 43380, 44344, 49887, 55430, 57840, 66516, 69408, 83145, 86760, 88688, 99774, 110860, 115680, 133032, 166290, 173520, 177376, 199548, 221720, 249435, 266064, 332580, 347040, 399096, 443440, 498870, 532128, 665160, 798192, 886880, 997740, 1330320, 1596384, 1995480, 2660640, 3990960, 7981920]

約数ペア:

[(1, 7981920), (2, 3990960), (3, 2660640), (4, 1995480), (5, 1596384), (6, 1330320), (8, 997740), (9, 886880), (10, 798192), (12, 665160), (15, 532128), (16, 498870), (18, 443440), (20, 399096), (23, 347040), (24, 332580), (30, 266064), (32, 249435), (36, 221720), (40, 199548), (45, 177376), (46, 173520), (48, 166290), (60, 133032), (69, 115680), (72, 110860), (80, 99774), (90, 88688), (92, 86760), (96, 83145), (115, 69408), (120, 66516), (138, 57840), (144, 55430), (160, 49887), (180, 44344), (184, 43380), (207, 38560), (230, 34704), (240, 33258), (241, 33120), (276, 28920), (288, 27715), (345, 23136), (360, 22172), (368, 21690), (414, 19280), (460, 17352), (480, 16629), (482, 16560), (552, 14460), (690, 11568), (720, 11086), (723, 11040), (736, 10845), (828, 9640), (920, 8676), (964, 8280), (1035, 7712), (1104, 7230), (1205, 6624), (1380, 5784), (1440, 5543), (1446, 5520), (1656, 4820), (1840, 4338), (1928, 4140), (2070, 3856), (2169, 3680), (2208, 3615), (2410, 3312), (2760, 2892)]