214591920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28843}}^1$

素因数の和:28890

約数の個数: 80

約数和(自身を含む): 686717952

約数和(自身を除く): 472126032

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, 28843, 57686, 86529, 115372, 144215, 173058, 230744, 288430, 346116, 432645, 461488, 576860, 692232, 865290, 894133, 1153720, 1384464, 1730580, 1788266, 2307440, 2682399, 3461160, 3576532, 4470665, 5364798, 6922320, 7153064, 8941330, 10729596, 13411995, 14306128, 17882660, 21459192, 26823990, 35765320, 42918384, 53647980, 71530640, 107295960, 214591920]

約数ペア:

[(1, 214591920), (2, 107295960), (3, 71530640), (4, 53647980), (5, 42918384), (6, 35765320), (8, 26823990), (10, 21459192), (12, 17882660), (15, 14306128), (16, 13411995), (20, 10729596), (24, 8941330), (30, 7153064), (31, 6922320), (40, 5364798), (48, 4470665), (60, 3576532), (62, 3461160), (80, 2682399), (93, 2307440), (120, 1788266), (124, 1730580), (155, 1384464), (186, 1153720), (240, 894133), (248, 865290), (310, 692232), (372, 576860), (465, 461488), (496, 432645), (620, 346116), (744, 288430), (930, 230744), (1240, 173058), (1488, 144215), (1860, 115372), (2480, 86529), (3720, 57686), (7440, 28843)]