31559580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13487}}^1$

素因数の和:13515

約数の個数: 72

約数和(自身を含む): 103102272

約数和(自身を除く): 71542692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13487, 26974, 40461, 53948, 67435, 80922, 121383, 134870, 161844, 175331, 202305, 242766, 269740, 350662, 404610, 485532, 525993, 606915, 701324, 809220, 876655, 1051986, 1213830, 1577979, 1753310, 2103972, 2427660, 2629965, 3155958, 3506620, 5259930, 6311916, 7889895, 10519860, 15779790, 31559580]

約数ペア:

[(1, 31559580), (2, 15779790), (3, 10519860), (4, 7889895), (5, 6311916), (6, 5259930), (9, 3506620), (10, 3155958), (12, 2629965), (13, 2427660), (15, 2103972), (18, 1753310), (20, 1577979), (26, 1213830), (30, 1051986), (36, 876655), (39, 809220), (45, 701324), (52, 606915), (60, 525993), (65, 485532), (78, 404610), (90, 350662), (117, 269740), (130, 242766), (156, 202305), (180, 175331), (195, 161844), (234, 134870), (260, 121383), (390, 80922), (468, 67435), (585, 53948), (780, 40461), (1170, 26974), (2340, 13487)]