181536420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17903}}^1$

素因数の和:17941

約数の個数: 72

約数和(自身を含む): 550440576

約数和(自身を除く): 368904156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 17903, 35806, 53709, 71612, 89515, 107418, 179030, 214836, 232739, 268545, 358060, 465478, 537090, 698217, 930956, 1074180, 1163695, 1396434, 2327390, 2792868, 3025607, 3491085, 4654780, 6051214, 6982170, 9076821, 12102428, 13964340, 15128035, 18153642, 30256070, 36307284, 45384105, 60512140, 90768210, 181536420]

約数ペア:

[(1, 181536420), (2, 90768210), (3, 60512140), (4, 45384105), (5, 36307284), (6, 30256070), (10, 18153642), (12, 15128035), (13, 13964340), (15, 12102428), (20, 9076821), (26, 6982170), (30, 6051214), (39, 4654780), (52, 3491085), (60, 3025607), (65, 2792868), (78, 2327390), (130, 1396434), (156, 1163695), (169, 1074180), (195, 930956), (260, 698217), (338, 537090), (390, 465478), (507, 358060), (676, 268545), (780, 232739), (845, 214836), (1014, 179030), (1690, 107418), (2028, 89515), (2535, 71612), (3380, 53709), (5070, 35806), (10140, 17903)]