142768720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 354954960

約数和(自身を除く): 212186240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 136, 170, 226, 272, 340, 452, 565, 680, 904, 929, 1130, 1360, 1808, 1858, 1921, 2260, 3716, 3842, 4520, 4645, 7432, 7684, 9040, 9290, 9605, 14864, 15368, 15793, 18580, 19210, 30736, 31586, 37160, 38420, 63172, 74320, 76840, 78965, 104977, 126344, 153680, 157930, 209954, 252688, 315860, 419908, 524885, 631720, 839816, 1049770, 1263440, 1679632, 1784609, 2099540, 3569218, 4199080, 7138436, 8398160, 8923045, 14276872, 17846090, 28553744, 35692180, 71384360, 142768720]

約数ペア:

[(1, 142768720), (2, 71384360), (4, 35692180), (5, 28553744), (8, 17846090), (10, 14276872), (16, 8923045), (17, 8398160), (20, 7138436), (34, 4199080), (40, 3569218), (68, 2099540), (80, 1784609), (85, 1679632), (113, 1263440), (136, 1049770), (170, 839816), (226, 631720), (272, 524885), (340, 419908), (452, 315860), (565, 252688), (680, 209954), (904, 157930), (929, 153680), (1130, 126344), (1360, 104977), (1808, 78965), (1858, 76840), (1921, 74320), (2260, 63172), (3716, 38420), (3842, 37160), (4520, 31586), (4645, 30736), (7432, 19210), (7684, 18580), (9040, 15793), (9290, 15368), (9605, 14864)]