253562220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 816641280

約数和(自身を除く): 563079060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 151, 171, 180, 190, 228, 285, 302, 342, 380, 453, 491, 570, 604, 684, 755, 855, 906, 982, 1140, 1359, 1473, 1510, 1710, 1812, 1964, 2265, 2455, 2718, 2869, 2946, 3020, 3420, 4419, 4530, 4910, 5436, 5738, 5892, 6795, 7365, 8607, 8838, 9060, 9329, 9820, 11476, 13590, 14345, 14730, 17214, 17676, 18658, 22095, 25821, 27180, 27987, 28690, 29460, 34428, 37316, 43035, 44190, 46645, 51642, 55974, 57380, 74141, 83961, 86070, 88380, 93290, 103284, 111948, 129105, 139935, 148282, 167922, 172140, 186580, 222423, 258210, 279870, 296564, 335844, 370705, 419805, 444846, 516420, 559740, 667269, 741410, 839610, 889692, 1112115, 1334538, 1408679, 1482820, 1679220, 2224230, 2669076, 2817358, 3336345, 4226037, 4448460, 5634716, 6672690, 7043395, 8452074, 12678111, 13345380, 14086790, 16904148, 21130185, 25356222, 28173580, 42260370, 50712444, 63390555, 84520740, 126781110, 253562220]

約数ペア:

[(1, 253562220), (2, 126781110), (3, 84520740), (4, 63390555), (5, 50712444), (6, 42260370), (9, 28173580), (10, 25356222), (12, 21130185), (15, 16904148), (18, 14086790), (19, 13345380), (20, 12678111), (30, 8452074), (36, 7043395), (38, 6672690), (45, 5634716), (57, 4448460), (60, 4226037), (76, 3336345), (90, 2817358), (95, 2669076), (114, 2224230), (151, 1679220), (171, 1482820), (180, 1408679), (190, 1334538), (228, 1112115), (285, 889692), (302, 839610), (342, 741410), (380, 667269), (453, 559740), (491, 516420), (570, 444846), (604, 419805), (684, 370705), (755, 335844), (855, 296564), (906, 279870), (982, 258210), (1140, 222423), (1359, 186580), (1473, 172140), (1510, 167922), (1710, 148282), (1812, 139935), (1964, 129105), (2265, 111948), (2455, 103284), (2718, 93290), (2869, 88380), (2946, 86070), (3020, 83961), (3420, 74141), (4419, 57380), (4530, 55974), (4910, 51642), (5436, 46645), (5738, 44190), (5892, 43035), (6795, 37316), (7365, 34428), (8607, 29460), (8838, 28690), (9060, 27987), (9329, 27180), (9820, 25821), (11476, 22095), (13590, 18658), (14345, 17676), (14730, 17214)]