1428834640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{19867}}^1$

素因数の和:19940

約数の個数: 80

約数和(自身を含む): 3547630080

約数和(自身を除く): 2118795440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3596, 4495, 7192, 8990, 14384, 17980, 19867, 35960, 39734, 71920, 79468, 99335, 158936, 198670, 317872, 397340, 576143, 615877, 794680, 1152286, 1231754, 1589360, 2304572, 2463508, 2880715, 3079385, 4609144, 4927016, 5761430, 6158770, 9218288, 9854032, 11522860, 12317540, 17860433, 23045720, 24635080, 35720866, 46091440, 49270160, 71441732, 89302165, 142883464, 178604330, 285766928, 357208660, 714417320, 1428834640]

約数ペア:

[(1, 1428834640), (2, 714417320), (4, 357208660), (5, 285766928), (8, 178604330), (10, 142883464), (16, 89302165), (20, 71441732), (29, 49270160), (31, 46091440), (40, 35720866), (58, 24635080), (62, 23045720), (80, 17860433), (116, 12317540), (124, 11522860), (145, 9854032), (155, 9218288), (232, 6158770), (248, 5761430), (290, 4927016), (310, 4609144), (464, 3079385), (496, 2880715), (580, 2463508), (620, 2304572), (899, 1589360), (1160, 1231754), (1240, 1152286), (1798, 794680), (2320, 615877), (2480, 576143), (3596, 397340), (4495, 317872), (7192, 198670), (8990, 158936), (14384, 99335), (17980, 79468), (19867, 71920), (35960, 39734)]