87423720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 275374080

約数和(自身を除く): 187950360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 120, 124, 142, 155, 186, 213, 248, 284, 310, 331, 355, 372, 426, 465, 568, 620, 662, 710, 744, 852, 930, 993, 1065, 1240, 1324, 1420, 1655, 1704, 1860, 1986, 2130, 2201, 2648, 2840, 3310, 3720, 3972, 4260, 4402, 4965, 6603, 6620, 7944, 8520, 8804, 9930, 10261, 11005, 13206, 13240, 17608, 19860, 20522, 22010, 23501, 26412, 30783, 33015, 39720, 41044, 44020, 47002, 51305, 52824, 61566, 66030, 70503, 82088, 88040, 94004, 102610, 117505, 123132, 132060, 141006, 153915, 188008, 205220, 235010, 246264, 264120, 282012, 307830, 352515, 410440, 470020, 564024, 615660, 705030, 728531, 940040, 1231320, 1410060, 1457062, 2185593, 2820120, 2914124, 3642655, 4371186, 5828248, 7285310, 8742372, 10927965, 14570620, 17484744, 21855930, 29141240, 43711860, 87423720]

約数ペア:

[(1, 87423720), (2, 43711860), (3, 29141240), (4, 21855930), (5, 17484744), (6, 14570620), (8, 10927965), (10, 8742372), (12, 7285310), (15, 5828248), (20, 4371186), (24, 3642655), (30, 2914124), (31, 2820120), (40, 2185593), (60, 1457062), (62, 1410060), (71, 1231320), (93, 940040), (120, 728531), (124, 705030), (142, 615660), (155, 564024), (186, 470020), (213, 410440), (248, 352515), (284, 307830), (310, 282012), (331, 264120), (355, 246264), (372, 235010), (426, 205220), (465, 188008), (568, 153915), (620, 141006), (662, 132060), (710, 123132), (744, 117505), (852, 102610), (930, 94004), (993, 88040), (1065, 82088), (1240, 70503), (1324, 66030), (1420, 61566), (1655, 52824), (1704, 51305), (1860, 47002), (1986, 44020), (2130, 41044), (2201, 39720), (2648, 33015), (2840, 30783), (3310, 26412), (3720, 23501), (3972, 22010), (4260, 20522), (4402, 19860), (4965, 17608), (6603, 13240), (6620, 13206), (7944, 11005), (8520, 10261), (8804, 9930)]