204268920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 647792640

約数和(自身を除く): 443523720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1277, 1290, 1333, 1720, 1860, 2554, 2580, 2666, 3720, 3831, 3999, 5108, 5160, 5332, 6385, 6665, 7662, 7998, 10216, 10664, 12770, 13330, 15324, 15996, 19155, 19995, 25540, 26660, 30648, 31992, 38310, 39587, 39990, 51080, 53320, 54911, 76620, 79174, 79980, 109822, 118761, 153240, 158348, 159960, 164733, 197935, 219644, 237522, 274555, 316696, 329466, 395870, 439288, 475044, 549110, 593805, 658932, 791740, 823665, 950088, 1098220, 1187610, 1317864, 1583480, 1647330, 1702241, 2196440, 2375220, 3294660, 3404482, 4750440, 5106723, 6589320, 6808964, 8511205, 10213446, 13617928, 17022410, 20426892, 25533615, 34044820, 40853784, 51067230, 68089640, 102134460, 204268920]

約数ペア:

[(1, 204268920), (2, 102134460), (3, 68089640), (4, 51067230), (5, 40853784), (6, 34044820), (8, 25533615), (10, 20426892), (12, 17022410), (15, 13617928), (20, 10213446), (24, 8511205), (30, 6808964), (31, 6589320), (40, 5106723), (43, 4750440), (60, 3404482), (62, 3294660), (86, 2375220), (93, 2196440), (120, 1702241), (124, 1647330), (129, 1583480), (155, 1317864), (172, 1187610), (186, 1098220), (215, 950088), (248, 823665), (258, 791740), (310, 658932), (344, 593805), (372, 549110), (430, 475044), (465, 439288), (516, 395870), (620, 329466), (645, 316696), (744, 274555), (860, 237522), (930, 219644), (1032, 197935), (1240, 164733), (1277, 159960), (1290, 158348), (1333, 153240), (1720, 118761), (1860, 109822), (2554, 79980), (2580, 79174), (2666, 76620), (3720, 54911), (3831, 53320), (3999, 51080), (5108, 39990), (5160, 39587), (5332, 38310), (6385, 31992), (6665, 30648), (7662, 26660), (7998, 25540), (10216, 19995), (10664, 19155), (12770, 15996), (13330, 15324)]