644626320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{673}}^1$

素因数の和:1009

約数の個数: 160

約数和(自身を含む): 2162278272

約数和(自身を除く): 1517651952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 307, 312, 390, 520, 614, 624, 673, 780, 921, 1040, 1228, 1346, 1535, 1560, 1842, 2019, 2456, 2692, 3070, 3120, 3365, 3684, 3991, 4038, 4605, 4912, 5384, 6140, 6730, 7368, 7982, 8076, 8749, 9210, 10095, 10768, 11973, 12280, 13460, 14736, 15964, 16152, 17498, 18420, 19955, 20190, 23946, 24560, 26247, 26920, 31928, 32304, 34996, 36840, 39910, 40380, 43745, 47892, 52494, 53840, 59865, 63856, 69992, 73680, 79820, 80760, 87490, 95784, 104988, 119730, 131235, 139984, 159640, 161520, 174980, 191568, 206611, 209976, 239460, 262470, 319280, 349960, 413222, 419952, 478920, 524940, 619833, 699920, 826444, 957840, 1033055, 1049880, 1239666, 1652888, 2066110, 2099760, 2479332, 2685943, 3099165, 3305776, 4132220, 4958664, 5371886, 6198330, 8057829, 8264440, 9917328, 10743772, 12396660, 13429715, 16115658, 16528880, 21487544, 24793320, 26859430, 32231316, 40289145, 42975088, 49586640, 53718860, 64462632, 80578290, 107437720, 128925264, 161156580, 214875440, 322313160, 644626320]

約数ペア:

[(1, 644626320), (2, 322313160), (3, 214875440), (4, 161156580), (5, 128925264), (6, 107437720), (8, 80578290), (10, 64462632), (12, 53718860), (13, 49586640), (15, 42975088), (16, 40289145), (20, 32231316), (24, 26859430), (26, 24793320), (30, 21487544), (39, 16528880), (40, 16115658), (48, 13429715), (52, 12396660), (60, 10743772), (65, 9917328), (78, 8264440), (80, 8057829), (104, 6198330), (120, 5371886), (130, 4958664), (156, 4132220), (195, 3305776), (208, 3099165), (240, 2685943), (260, 2479332), (307, 2099760), (312, 2066110), (390, 1652888), (520, 1239666), (614, 1049880), (624, 1033055), (673, 957840), (780, 826444), (921, 699920), (1040, 619833), (1228, 524940), (1346, 478920), (1535, 419952), (1560, 413222), (1842, 349960), (2019, 319280), (2456, 262470), (2692, 239460), (3070, 209976), (3120, 206611), (3365, 191568), (3684, 174980), (3991, 161520), (4038, 159640), (4605, 139984), (4912, 131235), (5384, 119730), (6140, 104988), (6730, 95784), (7368, 87490), (7982, 80760), (8076, 79820), (8749, 73680), (9210, 69992), (10095, 63856), (10768, 59865), (11973, 53840), (12280, 52494), (13460, 47892), (14736, 43745), (15964, 40380), (16152, 39910), (17498, 36840), (18420, 34996), (19955, 32304), (20190, 31928), (23946, 26920), (24560, 26247)]