1628940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 4832352

約数和(自身を除く): 3203412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1597, 3194, 4791, 6388, 7985, 9582, 15970, 19164, 23955, 27149, 31940, 47910, 54298, 81447, 95820, 108596, 135745, 162894, 271490, 325788, 407235, 542980, 814470, 1628940]

約数ペア:

[(1, 1628940), (2, 814470), (3, 542980), (4, 407235), (5, 325788), (6, 271490), (10, 162894), (12, 135745), (15, 108596), (17, 95820), (20, 81447), (30, 54298), (34, 47910), (51, 31940), (60, 27149), (68, 23955), (85, 19164), (102, 15970), (170, 9582), (204, 7985), (255, 6388), (340, 4791), (510, 3194), (1020, 1597)]