647227920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86993}}^1$

素因数の和:87040

約数の個数: 80

約数和(自身を含む): 2071153152

約数和(自身を除く): 1423925232

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, 86993, 173986, 260979, 347972, 434965, 521958, 695944, 869930, 1043916, 1304895, 1391888, 1739860, 2087832, 2609790, 2696783, 3479720, 4175664, 5219580, 5393566, 6959440, 8090349, 10439160, 10787132, 13483915, 16180698, 20878320, 21574264, 26967830, 32361396, 40451745, 43148528, 53935660, 64722792, 80903490, 107871320, 129445584, 161806980, 215742640, 323613960, 647227920]

約数ペア:

[(1, 647227920), (2, 323613960), (3, 215742640), (4, 161806980), (5, 129445584), (6, 107871320), (8, 80903490), (10, 64722792), (12, 53935660), (15, 43148528), (16, 40451745), (20, 32361396), (24, 26967830), (30, 21574264), (31, 20878320), (40, 16180698), (48, 13483915), (60, 10787132), (62, 10439160), (80, 8090349), (93, 6959440), (120, 5393566), (124, 5219580), (155, 4175664), (186, 3479720), (240, 2696783), (248, 2609790), (310, 2087832), (372, 1739860), (465, 1391888), (496, 1304895), (620, 1043916), (744, 869930), (930, 695944), (1240, 521958), (1488, 434965), (1860, 347972), (2480, 260979), (3720, 173986), (7440, 86993)]