7443280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 19779984

約数和(自身を除く): 12336704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 421, 442, 520, 680, 842, 884, 1040, 1105, 1360, 1684, 1768, 2105, 2210, 3368, 3536, 4210, 4420, 5473, 6736, 7157, 8420, 8840, 10946, 14314, 16840, 17680, 21892, 27365, 28628, 33680, 35785, 43784, 54730, 57256, 71570, 87568, 93041, 109460, 114512, 143140, 186082, 218920, 286280, 372164, 437840, 465205, 572560, 744328, 930410, 1488656, 1860820, 3721640, 7443280]

約数ペア:

[(1, 7443280), (2, 3721640), (4, 1860820), (5, 1488656), (8, 930410), (10, 744328), (13, 572560), (16, 465205), (17, 437840), (20, 372164), (26, 286280), (34, 218920), (40, 186082), (52, 143140), (65, 114512), (68, 109460), (80, 93041), (85, 87568), (104, 71570), (130, 57256), (136, 54730), (170, 43784), (208, 35785), (221, 33680), (260, 28628), (272, 27365), (340, 21892), (421, 17680), (442, 16840), (520, 14314), (680, 10946), (842, 8840), (884, 8420), (1040, 7157), (1105, 6736), (1360, 5473), (1684, 4420), (1768, 4210), (2105, 3536), (2210, 3368)]