209825520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{23629}}^1$

素因数の和:23682

約数の個数: 80

約数和(自身を含む): 668067360

約数和(自身を除く): 458241840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 23629, 47258, 70887, 94516, 118145, 141774, 189032, 236290, 283548, 354435, 378064, 472580, 567096, 708870, 874273, 945160, 1134192, 1417740, 1748546, 1890320, 2622819, 2835480, 3497092, 4371365, 5245638, 5670960, 6994184, 8742730, 10491276, 13114095, 13988368, 17485460, 20982552, 26228190, 34970920, 41965104, 52456380, 69941840, 104912760, 209825520]

約数ペア:

[(1, 209825520), (2, 104912760), (3, 69941840), (4, 52456380), (5, 41965104), (6, 34970920), (8, 26228190), (10, 20982552), (12, 17485460), (15, 13988368), (16, 13114095), (20, 10491276), (24, 8742730), (30, 6994184), (37, 5670960), (40, 5245638), (48, 4371365), (60, 3497092), (74, 2835480), (80, 2622819), (111, 1890320), (120, 1748546), (148, 1417740), (185, 1134192), (222, 945160), (240, 874273), (296, 708870), (370, 567096), (444, 472580), (555, 378064), (592, 354435), (740, 283548), (888, 236290), (1110, 189032), (1480, 141774), (1776, 118145), (2220, 94516), (2960, 70887), (4440, 47258), (8880, 23629)]