1573740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1271

約数の個数: 72

約数和(自身を含む): 5460000

約数和(自身を除く): 3886260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1249, 1260, 2498, 3747, 4996, 6245, 7494, 8743, 11241, 12490, 14988, 17486, 18735, 22482, 24980, 26229, 34972, 37470, 43715, 44964, 52458, 56205, 74940, 78687, 87430, 104916, 112410, 131145, 157374, 174860, 224820, 262290, 314748, 393435, 524580, 786870, 1573740]

約数ペア:

[(1, 1573740), (2, 786870), (3, 524580), (4, 393435), (5, 314748), (6, 262290), (7, 224820), (9, 174860), (10, 157374), (12, 131145), (14, 112410), (15, 104916), (18, 87430), (20, 78687), (21, 74940), (28, 56205), (30, 52458), (35, 44964), (36, 43715), (42, 37470), (45, 34972), (60, 26229), (63, 24980), (70, 22482), (84, 18735), (90, 17486), (105, 14988), (126, 12490), (140, 11241), (180, 8743), (210, 7494), (252, 6245), (315, 4996), (420, 3747), (630, 2498), (1249, 1260)]