25309620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 89631360

約数和(自身を除く): 64321740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 379, 420, 477, 530, 630, 636, 742, 758, 795, 954, 1060, 1113, 1137, 1260, 1484, 1516, 1590, 1855, 1895, 1908, 2226, 2274, 2385, 2653, 3180, 3339, 3411, 3710, 3790, 4452, 4548, 4770, 5306, 5565, 5685, 6678, 6822, 7420, 7580, 7959, 9540, 10612, 11130, 11370, 13265, 13356, 13644, 15918, 16695, 17055, 20087, 22260, 22740, 23877, 26530, 31836, 33390, 34110, 39795, 40174, 47754, 53060, 60261, 66780, 68220, 79590, 80348, 95508, 100435, 119385, 120522, 140609, 159180, 180783, 200870, 238770, 241044, 281218, 301305, 361566, 401740, 421827, 477540, 562436, 602610, 703045, 723132, 843654, 903915, 1205220, 1265481, 1406090, 1687308, 1807830, 2109135, 2530962, 2812180, 3615660, 4218270, 5061924, 6327405, 8436540, 12654810, 25309620]

約数ペア:

[(1, 25309620), (2, 12654810), (3, 8436540), (4, 6327405), (5, 5061924), (6, 4218270), (7, 3615660), (9, 2812180), (10, 2530962), (12, 2109135), (14, 1807830), (15, 1687308), (18, 1406090), (20, 1265481), (21, 1205220), (28, 903915), (30, 843654), (35, 723132), (36, 703045), (42, 602610), (45, 562436), (53, 477540), (60, 421827), (63, 401740), (70, 361566), (84, 301305), (90, 281218), (105, 241044), (106, 238770), (126, 200870), (140, 180783), (159, 159180), (180, 140609), (210, 120522), (212, 119385), (252, 100435), (265, 95508), (315, 80348), (318, 79590), (371, 68220), (379, 66780), (420, 60261), (477, 53060), (530, 47754), (630, 40174), (636, 39795), (742, 34110), (758, 33390), (795, 31836), (954, 26530), (1060, 23877), (1113, 22740), (1137, 22260), (1260, 20087), (1484, 17055), (1516, 16695), (1590, 15918), (1855, 13644), (1895, 13356), (1908, 13265), (2226, 11370), (2274, 11130), (2385, 10612), (2653, 9540), (3180, 7959), (3339, 7580), (3411, 7420), (3710, 6822), (3790, 6678), (4452, 5685), (4548, 5565), (4770, 5306)]