25316460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 85612800

約数和(自身を除く): 60296340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 349, 372, 390, 403, 465, 468, 558, 585, 620, 698, 780, 806, 930, 1047, 1116, 1170, 1209, 1395, 1396, 1612, 1745, 1860, 2015, 2094, 2340, 2418, 2790, 3141, 3490, 3627, 4030, 4188, 4537, 4836, 5235, 5580, 6045, 6282, 6980, 7254, 8060, 9074, 10470, 10819, 12090, 12564, 13611, 14508, 15705, 18135, 18148, 20940, 21638, 22685, 24180, 27222, 31410, 32457, 36270, 40833, 43276, 45370, 54095, 54444, 62820, 64914, 68055, 72540, 81666, 90740, 97371, 108190, 129828, 136110, 140647, 162285, 163332, 194742, 204165, 216380, 272220, 281294, 324570, 389484, 408330, 421941, 486855, 562588, 649140, 703235, 816660, 843882, 973710, 1265823, 1406470, 1687764, 1947420, 2109705, 2531646, 2812940, 4219410, 5063292, 6329115, 8438820, 12658230, 25316460]

約数ペア:

[(1, 25316460), (2, 12658230), (3, 8438820), (4, 6329115), (5, 5063292), (6, 4219410), (9, 2812940), (10, 2531646), (12, 2109705), (13, 1947420), (15, 1687764), (18, 1406470), (20, 1265823), (26, 973710), (30, 843882), (31, 816660), (36, 703235), (39, 649140), (45, 562588), (52, 486855), (60, 421941), (62, 408330), (65, 389484), (78, 324570), (90, 281294), (93, 272220), (117, 216380), (124, 204165), (130, 194742), (155, 163332), (156, 162285), (180, 140647), (186, 136110), (195, 129828), (234, 108190), (260, 97371), (279, 90740), (310, 81666), (349, 72540), (372, 68055), (390, 64914), (403, 62820), (465, 54444), (468, 54095), (558, 45370), (585, 43276), (620, 40833), (698, 36270), (780, 32457), (806, 31410), (930, 27222), (1047, 24180), (1116, 22685), (1170, 21638), (1209, 20940), (1395, 18148), (1396, 18135), (1612, 15705), (1745, 14508), (1860, 13611), (2015, 12564), (2094, 12090), (2340, 10819), (2418, 10470), (2790, 9074), (3141, 8060), (3490, 7254), (3627, 6980), (4030, 6282), (4188, 6045), (4537, 5580), (4836, 5235)]