163987920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 553054632

約数和(自身を除く): 389066712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 421, 541, 720, 842, 1082, 1263, 1623, 1684, 2105, 2164, 2526, 2705, 3246, 3368, 3789, 4210, 4328, 4869, 5052, 5410, 6315, 6492, 6736, 7578, 8115, 8420, 8656, 9738, 10104, 10820, 12630, 12984, 15156, 16230, 16840, 18945, 19476, 20208, 21640, 24345, 25260, 25968, 30312, 32460, 33680, 37890, 38952, 43280, 48690, 50520, 60624, 64920, 75780, 77904, 97380, 101040, 129840, 151560, 194760, 227761, 303120, 389520, 455522, 683283, 911044, 1138805, 1366566, 1822088, 2049849, 2277610, 2733132, 3416415, 3644176, 4099698, 4555220, 5466264, 6832830, 8199396, 9110440, 10249245, 10932528, 13665660, 16398792, 18220880, 20498490, 27331320, 32797584, 40996980, 54662640, 81993960, 163987920]

約数ペア:

[(1, 163987920), (2, 81993960), (3, 54662640), (4, 40996980), (5, 32797584), (6, 27331320), (8, 20498490), (9, 18220880), (10, 16398792), (12, 13665660), (15, 10932528), (16, 10249245), (18, 9110440), (20, 8199396), (24, 6832830), (30, 5466264), (36, 4555220), (40, 4099698), (45, 3644176), (48, 3416415), (60, 2733132), (72, 2277610), (80, 2049849), (90, 1822088), (120, 1366566), (144, 1138805), (180, 911044), (240, 683283), (360, 455522), (421, 389520), (541, 303120), (720, 227761), (842, 194760), (1082, 151560), (1263, 129840), (1623, 101040), (1684, 97380), (2105, 77904), (2164, 75780), (2526, 64920), (2705, 60624), (3246, 50520), (3368, 48690), (3789, 43280), (4210, 38952), (4328, 37890), (4869, 33680), (5052, 32460), (5410, 30312), (6315, 25968), (6492, 25260), (6736, 24345), (7578, 21640), (8115, 20208), (8420, 19476), (8656, 18945), (9738, 16840), (10104, 16230), (10820, 15156), (12630, 12984)]