65204640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{45281}}^1$

素因数の和:45302

約数の個数: 72

約数和(自身を含む): 222515748

約数和(自身を除く): 157311108

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 45281, 90562, 135843, 181124, 226405, 271686, 362248, 407529, 452810, 543372, 679215, 724496, 815058, 905620, 1086744, 1358430, 1448992, 1630116, 1811240, 2037645, 2173488, 2716860, 3260232, 3622480, 4075290, 4346976, 5433720, 6520464, 7244960, 8150580, 10867440, 13040928, 16301160, 21734880, 32602320, 65204640]

約数ペア:

[(1, 65204640), (2, 32602320), (3, 21734880), (4, 16301160), (5, 13040928), (6, 10867440), (8, 8150580), (9, 7244960), (10, 6520464), (12, 5433720), (15, 4346976), (16, 4075290), (18, 3622480), (20, 3260232), (24, 2716860), (30, 2173488), (32, 2037645), (36, 1811240), (40, 1630116), (45, 1448992), (48, 1358430), (60, 1086744), (72, 905620), (80, 815058), (90, 724496), (96, 679215), (120, 543372), (144, 452810), (160, 407529), (180, 362248), (240, 271686), (288, 226405), (360, 181124), (480, 135843), (720, 90562), (1440, 45281)]