15921120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 96

約数和(自身を含む): 51438240

約数和(自身を除く): 35517120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 809, 820, 984, 1230, 1312, 1618, 1640, 1968, 2427, 2460, 3236, 3280, 3936, 4045, 4854, 4920, 6472, 6560, 8090, 9708, 9840, 12135, 12944, 16180, 19416, 19680, 24270, 25888, 32360, 33169, 38832, 48540, 64720, 66338, 77664, 97080, 99507, 129440, 132676, 165845, 194160, 199014, 265352, 331690, 388320, 398028, 497535, 530704, 663380, 796056, 995070, 1061408, 1326760, 1592112, 1990140, 2653520, 3184224, 3980280, 5307040, 7960560, 15921120]

約数ペア:

[(1, 15921120), (2, 7960560), (3, 5307040), (4, 3980280), (5, 3184224), (6, 2653520), (8, 1990140), (10, 1592112), (12, 1326760), (15, 1061408), (16, 995070), (20, 796056), (24, 663380), (30, 530704), (32, 497535), (40, 398028), (41, 388320), (48, 331690), (60, 265352), (80, 199014), (82, 194160), (96, 165845), (120, 132676), (123, 129440), (160, 99507), (164, 97080), (205, 77664), (240, 66338), (246, 64720), (328, 48540), (410, 38832), (480, 33169), (492, 32360), (615, 25888), (656, 24270), (809, 19680), (820, 19416), (984, 16180), (1230, 12944), (1312, 12135), (1618, 9840), (1640, 9708), (1968, 8090), (2427, 6560), (2460, 6472), (3236, 4920), (3280, 4854), (3936, 4045)]