15557880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9973}}^1$

素因数の和:10000

約数の個数: 64

約数和(自身を含む): 50268960

約数和(自身を除く): 34711080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 9973, 19946, 29919, 39892, 49865, 59838, 79784, 99730, 119676, 129649, 149595, 199460, 239352, 259298, 299190, 388947, 398920, 518596, 598380, 648245, 777894, 1037192, 1196760, 1296490, 1555788, 1944735, 2592980, 3111576, 3889470, 5185960, 7778940, 15557880]

約数ペア:

[(1, 15557880), (2, 7778940), (3, 5185960), (4, 3889470), (5, 3111576), (6, 2592980), (8, 1944735), (10, 1555788), (12, 1296490), (13, 1196760), (15, 1037192), (20, 777894), (24, 648245), (26, 598380), (30, 518596), (39, 398920), (40, 388947), (52, 299190), (60, 259298), (65, 239352), (78, 199460), (104, 149595), (120, 129649), (130, 119676), (156, 99730), (195, 79784), (260, 59838), (312, 49865), (390, 39892), (520, 29919), (780, 19946), (1560, 9973)]