17820840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1531}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 54048960

約数和(自身を除く): 36228120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1531, 1940, 2328, 2910, 3062, 3880, 4593, 5820, 6124, 7655, 9186, 11640, 12248, 15310, 18372, 22965, 30620, 36744, 45930, 61240, 91860, 148507, 183720, 297014, 445521, 594028, 742535, 891042, 1188056, 1485070, 1782084, 2227605, 2970140, 3564168, 4455210, 5940280, 8910420, 17820840]

約数ペア:

[(1, 17820840), (2, 8910420), (3, 5940280), (4, 4455210), (5, 3564168), (6, 2970140), (8, 2227605), (10, 1782084), (12, 1485070), (15, 1188056), (20, 891042), (24, 742535), (30, 594028), (40, 445521), (60, 297014), (97, 183720), (120, 148507), (194, 91860), (291, 61240), (388, 45930), (485, 36744), (582, 30620), (776, 22965), (970, 18372), (1164, 15310), (1455, 12248), (1531, 11640), (1940, 9186), (2328, 7655), (2910, 6124), (3062, 5820), (3880, 4593)]