280145790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{991}}^1$

素因数の和:1359

約数の個数: 80

約数和(自身を含む): 756201600

約数和(自身を除く): 476055810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 349, 405, 698, 810, 991, 1047, 1745, 1982, 2094, 2973, 3141, 3490, 4955, 5235, 5946, 6282, 8919, 9423, 9910, 10470, 14865, 15705, 17838, 18846, 26757, 28269, 29730, 31410, 44595, 47115, 53514, 56538, 80271, 89190, 94230, 133785, 141345, 160542, 267570, 282690, 345859, 401355, 691718, 802710, 1037577, 1729295, 2075154, 3112731, 3458590, 5187885, 6225462, 9338193, 10375770, 15563655, 18676386, 28014579, 31127310, 46690965, 56029158, 93381930, 140072895, 280145790]

約数ペア:

[(1, 280145790), (2, 140072895), (3, 93381930), (5, 56029158), (6, 46690965), (9, 31127310), (10, 28014579), (15, 18676386), (18, 15563655), (27, 10375770), (30, 9338193), (45, 6225462), (54, 5187885), (81, 3458590), (90, 3112731), (135, 2075154), (162, 1729295), (270, 1037577), (349, 802710), (405, 691718), (698, 401355), (810, 345859), (991, 282690), (1047, 267570), (1745, 160542), (1982, 141345), (2094, 133785), (2973, 94230), (3141, 89190), (3490, 80271), (4955, 56538), (5235, 53514), (5946, 47115), (6282, 44595), (8919, 31410), (9423, 29730), (9910, 28269), (10470, 26757), (14865, 18846), (15705, 17838)]