31050840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 102021120

約数和(自身を除く): 70970280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 491, 510, 527, 620, 680, 744, 930, 982, 1020, 1054, 1240, 1473, 1581, 1860, 1964, 2040, 2108, 2455, 2635, 2946, 3162, 3720, 3928, 4216, 4910, 5270, 5892, 6324, 7365, 7905, 8347, 9820, 10540, 11784, 12648, 14730, 15221, 15810, 16694, 19640, 21080, 25041, 29460, 30442, 31620, 33388, 41735, 45663, 50082, 58920, 60884, 63240, 66776, 76105, 83470, 91326, 100164, 121768, 125205, 152210, 166940, 182652, 200328, 228315, 250410, 258757, 304420, 333880, 365304, 456630, 500820, 517514, 608840, 776271, 913260, 1001640, 1035028, 1293785, 1552542, 1826520, 2070056, 2587570, 3105084, 3881355, 5175140, 6210168, 7762710, 10350280, 15525420, 31050840]

約数ペア:

[(1, 31050840), (2, 15525420), (3, 10350280), (4, 7762710), (5, 6210168), (6, 5175140), (8, 3881355), (10, 3105084), (12, 2587570), (15, 2070056), (17, 1826520), (20, 1552542), (24, 1293785), (30, 1035028), (31, 1001640), (34, 913260), (40, 776271), (51, 608840), (60, 517514), (62, 500820), (68, 456630), (85, 365304), (93, 333880), (102, 304420), (120, 258757), (124, 250410), (136, 228315), (155, 200328), (170, 182652), (186, 166940), (204, 152210), (248, 125205), (255, 121768), (310, 100164), (340, 91326), (372, 83470), (408, 76105), (465, 66776), (491, 63240), (510, 60884), (527, 58920), (620, 50082), (680, 45663), (744, 41735), (930, 33388), (982, 31620), (1020, 30442), (1054, 29460), (1240, 25041), (1473, 21080), (1581, 19640), (1860, 16694), (1964, 15810), (2040, 15221), (2108, 14730), (2455, 12648), (2635, 11784), (2946, 10540), (3162, 9820), (3720, 8347), (3928, 7905), (4216, 7365), (4910, 6324), (5270, 5892)]