15201420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19489}}^1$

素因数の和:19514

約数の個数: 48

約数和(自身を含む): 45840480

約数和(自身を除く): 30639060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19489, 38978, 58467, 77956, 97445, 116934, 194890, 233868, 253357, 292335, 389780, 506714, 584670, 760071, 1013428, 1169340, 1266785, 1520142, 2533570, 3040284, 3800355, 5067140, 7600710, 15201420]

約数ペア:

[(1, 15201420), (2, 7600710), (3, 5067140), (4, 3800355), (5, 3040284), (6, 2533570), (10, 1520142), (12, 1266785), (13, 1169340), (15, 1013428), (20, 760071), (26, 584670), (30, 506714), (39, 389780), (52, 292335), (60, 253357), (65, 233868), (78, 194890), (130, 116934), (156, 97445), (195, 77956), (260, 58467), (390, 38978), (780, 19489)]