1215808220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3793}}^1$

素因数の和:3891

約数の個数: 96

約数和(自身を含む): 2937102336

約数和(自身を除く): 1721294116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 47, 55, 62, 94, 110, 124, 155, 188, 220, 235, 310, 341, 470, 517, 620, 682, 940, 1034, 1364, 1457, 1705, 2068, 2585, 2914, 3410, 3793, 5170, 5828, 6820, 7285, 7586, 10340, 14570, 15172, 16027, 18965, 29140, 32054, 37930, 41723, 64108, 75860, 80135, 83446, 117583, 160270, 166892, 178271, 208615, 235166, 320540, 356542, 417230, 470332, 587915, 713084, 834460, 891355, 1175830, 1293413, 1782710, 1960981, 2351660, 2586826, 3565420, 3921962, 5173652, 5526401, 6467065, 7843924, 9804905, 11052802, 12934130, 19609810, 22105604, 25868260, 27632005, 39219620, 55264010, 60790411, 110528020, 121580822, 243161644, 303952055, 607904110, 1215808220]

約数ペア:

[(1, 1215808220), (2, 607904110), (4, 303952055), (5, 243161644), (10, 121580822), (11, 110528020), (20, 60790411), (22, 55264010), (31, 39219620), (44, 27632005), (47, 25868260), (55, 22105604), (62, 19609810), (94, 12934130), (110, 11052802), (124, 9804905), (155, 7843924), (188, 6467065), (220, 5526401), (235, 5173652), (310, 3921962), (341, 3565420), (470, 2586826), (517, 2351660), (620, 1960981), (682, 1782710), (940, 1293413), (1034, 1175830), (1364, 891355), (1457, 834460), (1705, 713084), (2068, 587915), (2585, 470332), (2914, 417230), (3410, 356542), (3793, 320540), (5170, 235166), (5828, 208615), (6820, 178271), (7285, 166892), (7586, 160270), (10340, 117583), (14570, 83446), (15172, 80135), (16027, 75860), (18965, 64108), (29140, 41723), (32054, 37930)]