64251240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 205200000

約数和(自身を除く): 140948760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 499, 555, 580, 696, 740, 870, 888, 998, 1073, 1110, 1160, 1480, 1497, 1740, 1996, 2146, 2220, 2495, 2994, 3219, 3480, 3992, 4292, 4440, 4990, 5365, 5988, 6438, 7485, 8584, 9980, 10730, 11976, 12876, 14471, 14970, 16095, 18463, 19960, 21460, 25752, 28942, 29940, 32190, 36926, 42920, 43413, 55389, 57884, 59880, 64380, 72355, 73852, 86826, 92315, 110778, 115768, 128760, 144710, 147704, 173652, 184630, 217065, 221556, 276945, 289420, 347304, 369260, 434130, 443112, 535427, 553890, 578840, 738520, 868260, 1070854, 1107780, 1606281, 1736520, 2141708, 2215560, 2677135, 3212562, 4283416, 5354270, 6425124, 8031405, 10708540, 12850248, 16062810, 21417080, 32125620, 64251240]

約数ペア:

[(1, 64251240), (2, 32125620), (3, 21417080), (4, 16062810), (5, 12850248), (6, 10708540), (8, 8031405), (10, 6425124), (12, 5354270), (15, 4283416), (20, 3212562), (24, 2677135), (29, 2215560), (30, 2141708), (37, 1736520), (40, 1606281), (58, 1107780), (60, 1070854), (74, 868260), (87, 738520), (111, 578840), (116, 553890), (120, 535427), (145, 443112), (148, 434130), (174, 369260), (185, 347304), (222, 289420), (232, 276945), (290, 221556), (296, 217065), (348, 184630), (370, 173652), (435, 147704), (444, 144710), (499, 128760), (555, 115768), (580, 110778), (696, 92315), (740, 86826), (870, 73852), (888, 72355), (998, 64380), (1073, 59880), (1110, 57884), (1160, 55389), (1480, 43413), (1497, 42920), (1740, 36926), (1996, 32190), (2146, 29940), (2220, 28942), (2495, 25752), (2994, 21460), (3219, 19960), (3480, 18463), (3992, 16095), (4292, 14970), (4440, 14471), (4990, 12876), (5365, 11976), (5988, 10730), (6438, 9980), (7485, 8584)]