257254920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 256

約数和(自身を含む): 939859200

約数和(自身を除く): 682604280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 73, 78, 90, 104, 108, 117, 120, 130, 135, 146, 156, 180, 195, 216, 219, 234, 251, 260, 270, 292, 312, 351, 360, 365, 390, 438, 468, 502, 520, 540, 584, 585, 657, 702, 730, 753, 780, 876, 936, 949, 1004, 1080, 1095, 1170, 1255, 1314, 1404, 1460, 1506, 1560, 1752, 1755, 1898, 1971, 2008, 2190, 2259, 2340, 2510, 2628, 2808, 2847, 2920, 3012, 3263, 3285, 3510, 3765, 3796, 3942, 4380, 4518, 4680, 4745, 5020, 5256, 5694, 6024, 6526, 6570, 6777, 7020, 7530, 7592, 7884, 8541, 8760, 9036, 9490, 9789, 9855, 10040, 11295, 11388, 13052, 13140, 13554, 14040, 14235, 15060, 15768, 16315, 17082, 18072, 18323, 18980, 19578, 19710, 22590, 22776, 25623, 26104, 26280, 27108, 28470, 29367, 30120, 32630, 33885, 34164, 36646, 37960, 39156, 39420, 42705, 45180, 48945, 51246, 54216, 54969, 56940, 58734, 65260, 67770, 68328, 73292, 78312, 78840, 85410, 88101, 90360, 91615, 97890, 102492, 109938, 113880, 117468, 128115, 130520, 135540, 146584, 146835, 164907, 170820, 176202, 183230, 195780, 204984, 219876, 234936, 238199, 256230, 271080, 274845, 293670, 329814, 341640, 352404, 366460, 391560, 439752, 440505, 476398, 494721, 512460, 549690, 587340, 659628, 704808, 714597, 732920, 824535, 881010, 952796, 989442, 1024920, 1099380, 1174680, 1190995, 1319256, 1429194, 1649070, 1762020, 1905592, 1978884, 2143791, 2198760, 2381990, 2473605, 2858388, 3298140, 3524040, 3572985, 3957768, 4287582, 4763980, 4947210, 5716776, 6431373, 6596280, 7145970, 8575164, 9527960, 9894420, 10718955, 12862746, 14291940, 17150328, 19788840, 21437910, 25725492, 28583880, 32156865, 42875820, 51450984, 64313730, 85751640, 128627460, 257254920]

約数ペア:

[(1, 257254920), (2, 128627460), (3, 85751640), (4, 64313730), (5, 51450984), (6, 42875820), (8, 32156865), (9, 28583880), (10, 25725492), (12, 21437910), (13, 19788840), (15, 17150328), (18, 14291940), (20, 12862746), (24, 10718955), (26, 9894420), (27, 9527960), (30, 8575164), (36, 7145970), (39, 6596280), (40, 6431373), (45, 5716776), (52, 4947210), (54, 4763980), (60, 4287582), (65, 3957768), (72, 3572985), (73, 3524040), (78, 3298140), (90, 2858388), (104, 2473605), (108, 2381990), (117, 2198760), (120, 2143791), (130, 1978884), (135, 1905592), (146, 1762020), (156, 1649070), (180, 1429194), (195, 1319256), (216, 1190995), (219, 1174680), (234, 1099380), (251, 1024920), (260, 989442), (270, 952796), (292, 881010), (312, 824535), (351, 732920), (360, 714597), (365, 704808), (390, 659628), (438, 587340), (468, 549690), (502, 512460), (520, 494721), (540, 476398), (584, 440505), (585, 439752), (657, 391560), (702, 366460), (730, 352404), (753, 341640), (780, 329814), (876, 293670), (936, 274845), (949, 271080), (1004, 256230), (1080, 238199), (1095, 234936), (1170, 219876), (1255, 204984), (1314, 195780), (1404, 183230), (1460, 176202), (1506, 170820), (1560, 164907), (1752, 146835), (1755, 146584), (1898, 135540), (1971, 130520), (2008, 128115), (2190, 117468), (2259, 113880), (2340, 109938), (2510, 102492), (2628, 97890), (2808, 91615), (2847, 90360), (2920, 88101), (3012, 85410), (3263, 78840), (3285, 78312), (3510, 73292), (3765, 68328), (3796, 67770), (3942, 65260), (4380, 58734), (4518, 56940), (4680, 54969), (4745, 54216), (5020, 51246), (5256, 48945), (5694, 45180), (6024, 42705), (6526, 39420), (6570, 39156), (6777, 37960), (7020, 36646), (7530, 34164), (7592, 33885), (7884, 32630), (8541, 30120), (8760, 29367), (9036, 28470), (9490, 27108), (9789, 26280), (9855, 26104), (10040, 25623), (11295, 22776), (11388, 22590), (13052, 19710), (13140, 19578), (13554, 18980), (14040, 18323), (14235, 18072), (15060, 17082), (15768, 16315)]