131561520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17683}}^1$

素因数の和:17730

約数の個数: 80

約数和(自身を含む): 421020672

約数和(自身を除く): 289459152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 17683, 35366, 53049, 70732, 88415, 106098, 141464, 176830, 212196, 265245, 282928, 353660, 424392, 530490, 548173, 707320, 848784, 1060980, 1096346, 1414640, 1644519, 2121960, 2192692, 2740865, 3289038, 4243920, 4385384, 5481730, 6578076, 8222595, 8770768, 10963460, 13156152, 16445190, 21926920, 26312304, 32890380, 43853840, 65780760, 131561520]

約数ペア:

[(1, 131561520), (2, 65780760), (3, 43853840), (4, 32890380), (5, 26312304), (6, 21926920), (8, 16445190), (10, 13156152), (12, 10963460), (15, 8770768), (16, 8222595), (20, 6578076), (24, 5481730), (30, 4385384), (31, 4243920), (40, 3289038), (48, 2740865), (60, 2192692), (62, 2121960), (80, 1644519), (93, 1414640), (120, 1096346), (124, 1060980), (155, 848784), (186, 707320), (240, 548173), (248, 530490), (310, 424392), (372, 353660), (465, 282928), (496, 265245), (620, 212196), (744, 176830), (930, 141464), (1240, 106098), (1488, 88415), (1860, 70732), (2480, 53049), (3720, 35366), (7440, 17683)]