257641056

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{16879}}^1$

素因数の和:16948

約数の個数: 72

約数和(自身を含む): 746534880

約数和(自身を除く): 488893824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1696, 1908, 2544, 3816, 5088, 7632, 15264, 16879, 33758, 50637, 67516, 101274, 135032, 151911, 202548, 270064, 303822, 405096, 540128, 607644, 810192, 894587, 1215288, 1620384, 1789174, 2430576, 2683761, 3578348, 4861152, 5367522, 7156696, 8051283, 10735044, 14313392, 16102566, 21470088, 28626784, 32205132, 42940176, 64410264, 85880352, 128820528, 257641056]

約数ペア:

[(1, 257641056), (2, 128820528), (3, 85880352), (4, 64410264), (6, 42940176), (8, 32205132), (9, 28626784), (12, 21470088), (16, 16102566), (18, 14313392), (24, 10735044), (32, 8051283), (36, 7156696), (48, 5367522), (53, 4861152), (72, 3578348), (96, 2683761), (106, 2430576), (144, 1789174), (159, 1620384), (212, 1215288), (288, 894587), (318, 810192), (424, 607644), (477, 540128), (636, 405096), (848, 303822), (954, 270064), (1272, 202548), (1696, 151911), (1908, 135032), (2544, 101274), (3816, 67516), (5088, 50637), (7632, 33758), (15264, 16879)]