645524640

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{16603}}^1$

素因数の和:16633

約数の個数: 144

約数和(自身を含む): 2284577568

約数和(自身を除く): 1639052928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 16603, 19440, 33206, 38880, 49809, 66412, 83015, 99618, 132824, 149427, 166030, 199236, 249045, 265648, 298854, 332060, 398472, 448281, 498090, 531296, 597708, 664120, 747135, 796944, 896562, 996180, 1195416, 1328240, 1344843, 1494270, 1593888, 1793124, 1992360, 2241405, 2390832, 2656480, 2689686, 2988540, 3586248, 3984720, 4034529, 4482810, 4781664, 5379372, 5977080, 6724215, 7172496, 7969440, 8069058, 8965620, 10758744, 11954160, 13448430, 14344992, 16138116, 17931240, 20172645, 21517488, 23908320, 26896860, 32276232, 35862480, 40345290, 43034976, 53793720, 64552464, 71724960, 80690580, 107587440, 129104928, 161381160, 215174880, 322762320, 645524640]

約数ペア:

[(1, 645524640), (2, 322762320), (3, 215174880), (4, 161381160), (5, 129104928), (6, 107587440), (8, 80690580), (9, 71724960), (10, 64552464), (12, 53793720), (15, 43034976), (16, 40345290), (18, 35862480), (20, 32276232), (24, 26896860), (27, 23908320), (30, 21517488), (32, 20172645), (36, 17931240), (40, 16138116), (45, 14344992), (48, 13448430), (54, 11954160), (60, 10758744), (72, 8965620), (80, 8069058), (81, 7969440), (90, 7172496), (96, 6724215), (108, 5977080), (120, 5379372), (135, 4781664), (144, 4482810), (160, 4034529), (162, 3984720), (180, 3586248), (216, 2988540), (240, 2689686), (243, 2656480), (270, 2390832), (288, 2241405), (324, 1992360), (360, 1793124), (405, 1593888), (432, 1494270), (480, 1344843), (486, 1328240), (540, 1195416), (648, 996180), (720, 896562), (810, 796944), (864, 747135), (972, 664120), (1080, 597708), (1215, 531296), (1296, 498090), (1440, 448281), (1620, 398472), (1944, 332060), (2160, 298854), (2430, 265648), (2592, 249045), (3240, 199236), (3888, 166030), (4320, 149427), (4860, 132824), (6480, 99618), (7776, 83015), (9720, 66412), (12960, 49809), (16603, 38880), (19440, 33206)]