72639200

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 191237760

約数和(自身を除く): 118598560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 40, 50, 58, 62, 80, 100, 101, 116, 124, 145, 155, 160, 200, 202, 232, 248, 290, 310, 400, 404, 464, 496, 505, 580, 620, 725, 775, 800, 808, 899, 928, 992, 1010, 1160, 1240, 1450, 1550, 1616, 1798, 2020, 2320, 2480, 2525, 2900, 2929, 3100, 3131, 3232, 3596, 4040, 4495, 4640, 4960, 5050, 5800, 5858, 6200, 6262, 7192, 8080, 8990, 10100, 11600, 11716, 12400, 12524, 14384, 14645, 15655, 16160, 17980, 20200, 22475, 23200, 23432, 24800, 25048, 28768, 29290, 31310, 35960, 40400, 44950, 46864, 50096, 58580, 62620, 71920, 73225, 78275, 80800, 89900, 90799, 93728, 100192, 117160, 125240, 143840, 146450, 156550, 179800, 181598, 234320, 250480, 292900, 313100, 359600, 363196, 453995, 468640, 500960, 585800, 626200, 719200, 726392, 907990, 1171600, 1252400, 1452784, 1815980, 2269975, 2343200, 2504800, 2905568, 3631960, 4539950, 7263920, 9079900, 14527840, 18159800, 36319600, 72639200]

約数ペア:

[(1, 72639200), (2, 36319600), (4, 18159800), (5, 14527840), (8, 9079900), (10, 7263920), (16, 4539950), (20, 3631960), (25, 2905568), (29, 2504800), (31, 2343200), (32, 2269975), (40, 1815980), (50, 1452784), (58, 1252400), (62, 1171600), (80, 907990), (100, 726392), (101, 719200), (116, 626200), (124, 585800), (145, 500960), (155, 468640), (160, 453995), (200, 363196), (202, 359600), (232, 313100), (248, 292900), (290, 250480), (310, 234320), (400, 181598), (404, 179800), (464, 156550), (496, 146450), (505, 143840), (580, 125240), (620, 117160), (725, 100192), (775, 93728), (800, 90799), (808, 89900), (899, 80800), (928, 78275), (992, 73225), (1010, 71920), (1160, 62620), (1240, 58580), (1450, 50096), (1550, 46864), (1616, 44950), (1798, 40400), (2020, 35960), (2320, 31310), (2480, 29290), (2525, 28768), (2900, 25048), (2929, 24800), (3100, 23432), (3131, 23200), (3232, 22475), (3596, 20200), (4040, 17980), (4495, 16160), (4640, 15655), (4960, 14645), (5050, 14384), (5800, 12524), (5858, 12400), (6200, 11716), (6262, 11600), (7192, 10100), (8080, 8990)]