78454140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5471}}^1$

素因数の和:5722

約数の個数: 48

約数和(自身を含む): 220631040

約数和(自身を除く): 142176900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 5471, 7170, 10942, 14340, 16413, 21884, 27355, 32826, 54710, 65652, 82065, 109420, 164130, 328260, 1307569, 2615138, 3922707, 5230276, 6537845, 7845414, 13075690, 15690828, 19613535, 26151380, 39227070, 78454140]

約数ペア:

[(1, 78454140), (2, 39227070), (3, 26151380), (4, 19613535), (5, 15690828), (6, 13075690), (10, 7845414), (12, 6537845), (15, 5230276), (20, 3922707), (30, 2615138), (60, 1307569), (239, 328260), (478, 164130), (717, 109420), (956, 82065), (1195, 65652), (1434, 54710), (2390, 32826), (2868, 27355), (3585, 21884), (4780, 16413), (5471, 14340), (7170, 10942)]