31554080

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 77218596

約数和(自身を除く): 45664516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 61, 80, 106, 122, 160, 212, 244, 265, 305, 424, 488, 530, 610, 848, 976, 1060, 1220, 1696, 1952, 2120, 2440, 3233, 3721, 4240, 4880, 6466, 7442, 8480, 9760, 12932, 14884, 16165, 18605, 25864, 29768, 32330, 37210, 51728, 59536, 64660, 74420, 103456, 119072, 129320, 148840, 197213, 258640, 297680, 394426, 517280, 595360, 788852, 986065, 1577704, 1972130, 3155408, 3944260, 6310816, 7888520, 15777040, 31554080]

約数ペア:

[(1, 31554080), (2, 15777040), (4, 7888520), (5, 6310816), (8, 3944260), (10, 3155408), (16, 1972130), (20, 1577704), (32, 986065), (40, 788852), (53, 595360), (61, 517280), (80, 394426), (106, 297680), (122, 258640), (160, 197213), (212, 148840), (244, 129320), (265, 119072), (305, 103456), (424, 74420), (488, 64660), (530, 59536), (610, 51728), (848, 37210), (976, 32330), (1060, 29768), (1220, 25864), (1696, 18605), (1952, 16165), (2120, 14884), (2440, 12932), (3233, 9760), (3721, 8480), (4240, 7442), (4880, 6466)]