257202240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 224

約数和(自身を含む): 877824000

約数和(自身を除く): 620621760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 64, 76, 80, 95, 96, 114, 118, 120, 152, 160, 177, 190, 192, 228, 236, 239, 240, 285, 295, 304, 320, 354, 380, 456, 472, 478, 480, 570, 590, 608, 708, 717, 760, 885, 912, 944, 956, 960, 1121, 1140, 1180, 1195, 1216, 1416, 1434, 1520, 1770, 1824, 1888, 1912, 2242, 2280, 2360, 2390, 2832, 2868, 3040, 3363, 3540, 3585, 3648, 3776, 3824, 4484, 4541, 4560, 4720, 4780, 5605, 5664, 5736, 6080, 6726, 7080, 7170, 7648, 8968, 9082, 9120, 9440, 9560, 11210, 11328, 11472, 13452, 13623, 14101, 14160, 14340, 15296, 16815, 17936, 18164, 18240, 18880, 19120, 22420, 22705, 22944, 26904, 27246, 28202, 28320, 28680, 33630, 35872, 36328, 38240, 42303, 44840, 45410, 45888, 53808, 54492, 56404, 56640, 57360, 67260, 68115, 70505, 71744, 72656, 76480, 84606, 89680, 90820, 107616, 108984, 112808, 114720, 134520, 136230, 141010, 145312, 169212, 179360, 181640, 211515, 215232, 217968, 225616, 229440, 267919, 269040, 272460, 282020, 290624, 338424, 358720, 363280, 423030, 435936, 451232, 535838, 538080, 544920, 564040, 676848, 726560, 803757, 846060, 871872, 902464, 1071676, 1076160, 1089840, 1128080, 1339595, 1353696, 1453120, 1607514, 1692120, 2143352, 2179680, 2256160, 2679190, 2707392, 3215028, 3384240, 4018785, 4286704, 4359360, 4512320, 5358380, 6430056, 6768480, 8037570, 8573408, 10716760, 12860112, 13536960, 16075140, 17146816, 21433520, 25720224, 32150280, 42867040, 51440448, 64300560, 85734080, 128601120, 257202240]

約数ペア:

[(1, 257202240), (2, 128601120), (3, 85734080), (4, 64300560), (5, 51440448), (6, 42867040), (8, 32150280), (10, 25720224), (12, 21433520), (15, 17146816), (16, 16075140), (19, 13536960), (20, 12860112), (24, 10716760), (30, 8573408), (32, 8037570), (38, 6768480), (40, 6430056), (48, 5358380), (57, 4512320), (59, 4359360), (60, 4286704), (64, 4018785), (76, 3384240), (80, 3215028), (95, 2707392), (96, 2679190), (114, 2256160), (118, 2179680), (120, 2143352), (152, 1692120), (160, 1607514), (177, 1453120), (190, 1353696), (192, 1339595), (228, 1128080), (236, 1089840), (239, 1076160), (240, 1071676), (285, 902464), (295, 871872), (304, 846060), (320, 803757), (354, 726560), (380, 676848), (456, 564040), (472, 544920), (478, 538080), (480, 535838), (570, 451232), (590, 435936), (608, 423030), (708, 363280), (717, 358720), (760, 338424), (885, 290624), (912, 282020), (944, 272460), (956, 269040), (960, 267919), (1121, 229440), (1140, 225616), (1180, 217968), (1195, 215232), (1216, 211515), (1416, 181640), (1434, 179360), (1520, 169212), (1770, 145312), (1824, 141010), (1888, 136230), (1912, 134520), (2242, 114720), (2280, 112808), (2360, 108984), (2390, 107616), (2832, 90820), (2868, 89680), (3040, 84606), (3363, 76480), (3540, 72656), (3585, 71744), (3648, 70505), (3776, 68115), (3824, 67260), (4484, 57360), (4541, 56640), (4560, 56404), (4720, 54492), (4780, 53808), (5605, 45888), (5664, 45410), (5736, 44840), (6080, 42303), (6726, 38240), (7080, 36328), (7170, 35872), (7648, 33630), (8968, 28680), (9082, 28320), (9120, 28202), (9440, 27246), (9560, 26904), (11210, 22944), (11328, 22705), (11472, 22420), (13452, 19120), (13623, 18880), (14101, 18240), (14160, 18164), (14340, 17936), (15296, 16815)]