25840980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 88478208

約数和(自身を除く): 62637228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 421, 465, 495, 558, 620, 660, 682, 842, 930, 990, 1023, 1116, 1263, 1364, 1395, 1684, 1705, 1860, 1980, 2046, 2105, 2526, 2790, 3069, 3410, 3789, 4092, 4210, 4631, 5052, 5115, 5580, 6138, 6315, 6820, 7578, 8420, 9262, 10230, 12276, 12630, 13051, 13893, 15156, 15345, 18524, 18945, 20460, 23155, 25260, 26102, 27786, 30690, 37890, 39153, 41679, 46310, 52204, 55572, 61380, 65255, 69465, 75780, 78306, 83358, 92620, 117459, 130510, 138930, 143561, 156612, 166716, 195765, 208395, 234918, 261020, 277860, 287122, 391530, 416790, 430683, 469836, 574244, 587295, 717805, 783060, 833580, 861366, 1174590, 1292049, 1435610, 1722732, 2153415, 2349180, 2584098, 2871220, 4306830, 5168196, 6460245, 8613660, 12920490, 25840980]

約数ペア:

[(1, 25840980), (2, 12920490), (3, 8613660), (4, 6460245), (5, 5168196), (6, 4306830), (9, 2871220), (10, 2584098), (11, 2349180), (12, 2153415), (15, 1722732), (18, 1435610), (20, 1292049), (22, 1174590), (30, 861366), (31, 833580), (33, 783060), (36, 717805), (44, 587295), (45, 574244), (55, 469836), (60, 430683), (62, 416790), (66, 391530), (90, 287122), (93, 277860), (99, 261020), (110, 234918), (124, 208395), (132, 195765), (155, 166716), (165, 156612), (180, 143561), (186, 138930), (198, 130510), (220, 117459), (279, 92620), (310, 83358), (330, 78306), (341, 75780), (372, 69465), (396, 65255), (421, 61380), (465, 55572), (495, 52204), (558, 46310), (620, 41679), (660, 39153), (682, 37890), (842, 30690), (930, 27786), (990, 26102), (1023, 25260), (1116, 23155), (1263, 20460), (1364, 18945), (1395, 18524), (1684, 15345), (1705, 15156), (1860, 13893), (1980, 13051), (2046, 12630), (2105, 12276), (2526, 10230), (2790, 9262), (3069, 8420), (3410, 7578), (3789, 6820), (4092, 6315), (4210, 6138), (4631, 5580), (5052, 5115)]