15644940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 28384500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1091, 1195, 1434, 2182, 2390, 2868, 3273, 3585, 4364, 4780, 5455, 6546, 7170, 10910, 13092, 14340, 16365, 21820, 32730, 65460, 260749, 521498, 782247, 1042996, 1303745, 1564494, 2607490, 3128988, 3911235, 5214980, 7822470, 15644940]

約数ペア:

[(1, 15644940), (2, 7822470), (3, 5214980), (4, 3911235), (5, 3128988), (6, 2607490), (10, 1564494), (12, 1303745), (15, 1042996), (20, 782247), (30, 521498), (60, 260749), (239, 65460), (478, 32730), (717, 21820), (956, 16365), (1091, 14340), (1195, 13092), (1434, 10910), (2182, 7170), (2390, 6546), (2868, 5455), (3273, 4780), (3585, 4364)]