405414720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{15641}}^1$

素因数の和:15670

約数の個数: 140

約数和(自身を含む): 1442223684

約数和(自身を除く): 1036808964

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 15641, 25920, 31282, 46923, 62564, 78205, 93846, 125128, 140769, 156410, 187692, 234615, 250256, 281538, 312820, 375384, 422307, 469230, 500512, 563076, 625640, 703845, 750768, 844614, 938460, 1001024, 1126152, 1251280, 1266921, 1407690, 1501536, 1689228, 1876920, 2111535, 2252304, 2502560, 2533842, 2815380, 3003072, 3378456, 3753840, 4223070, 4504608, 5005120, 5067684, 5630760, 6334605, 6756912, 7507680, 8446140, 9009216, 10135368, 11261520, 12669210, 13513824, 15015360, 16892280, 20270736, 22523040, 25338420, 27027648, 33784560, 40541472, 45046080, 50676840, 67569120, 81082944, 101353680, 135138240, 202707360, 405414720]

約数ペア:

[(1, 405414720), (2, 202707360), (3, 135138240), (4, 101353680), (5, 81082944), (6, 67569120), (8, 50676840), (9, 45046080), (10, 40541472), (12, 33784560), (15, 27027648), (16, 25338420), (18, 22523040), (20, 20270736), (24, 16892280), (27, 15015360), (30, 13513824), (32, 12669210), (36, 11261520), (40, 10135368), (45, 9009216), (48, 8446140), (54, 7507680), (60, 6756912), (64, 6334605), (72, 5630760), (80, 5067684), (81, 5005120), (90, 4504608), (96, 4223070), (108, 3753840), (120, 3378456), (135, 3003072), (144, 2815380), (160, 2533842), (162, 2502560), (180, 2252304), (192, 2111535), (216, 1876920), (240, 1689228), (270, 1501536), (288, 1407690), (320, 1266921), (324, 1251280), (360, 1126152), (405, 1001024), (432, 938460), (480, 844614), (540, 750768), (576, 703845), (648, 625640), (720, 563076), (810, 500512), (864, 469230), (960, 422307), (1080, 375384), (1296, 312820), (1440, 281538), (1620, 250256), (1728, 234615), (2160, 187692), (2592, 156410), (2880, 140769), (3240, 125128), (4320, 93846), (5184, 78205), (6480, 62564), (8640, 46923), (12960, 31282), (15641, 25920)]