251184780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 288

約数和(自身を含む): 992839680

約数和(自身を除く): 741654900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 108, 110, 126, 132, 135, 140, 147, 154, 165, 180, 189, 196, 198, 210, 220, 231, 245, 252, 270, 294, 297, 308, 315, 330, 378, 385, 396, 420, 441, 462, 490, 495, 539, 540, 588, 594, 630, 660, 693, 735, 756, 770, 863, 882, 924, 945, 980, 990, 1078, 1155, 1188, 1260, 1323, 1386, 1470, 1485, 1540, 1617, 1726, 1764, 1890, 1980, 2079, 2156, 2205, 2310, 2589, 2646, 2695, 2772, 2940, 2970, 3234, 3452, 3465, 3780, 4158, 4315, 4410, 4620, 4851, 5178, 5292, 5390, 5940, 6041, 6468, 6615, 6930, 7767, 8085, 8316, 8630, 8820, 9493, 9702, 10356, 10395, 10780, 12082, 12945, 13230, 13860, 14553, 15534, 16170, 17260, 18123, 18986, 19404, 20790, 23301, 24164, 24255, 25890, 26460, 28479, 29106, 30205, 31068, 32340, 36246, 37972, 38835, 41580, 42287, 46602, 47465, 48510, 51780, 54369, 56958, 58212, 60410, 66451, 72492, 72765, 77670, 84574, 85437, 90615, 93204, 94930, 97020, 108738, 113916, 116505, 120820, 126861, 132902, 142395, 145530, 155340, 163107, 169148, 170874, 181230, 189860, 199353, 211435, 217476, 233010, 253722, 256311, 265804, 271845, 284790, 291060, 326214, 332255, 341748, 362460, 380583, 398706, 422870, 427185, 465157, 466020, 507444, 512622, 543690, 569580, 598059, 634305, 652428, 664510, 761166, 797412, 815535, 845740, 854370, 930314, 996765, 1025244, 1087380, 1141749, 1196118, 1268610, 1281555, 1329020, 1395471, 1522332, 1631070, 1708740, 1794177, 1860628, 1902915, 1993530, 2283498, 2325785, 2392236, 2537220, 2563110, 2790942, 2990295, 3262140, 3588354, 3805830, 3987060, 4186413, 4566996, 4651570, 5126220, 5581884, 5708745, 5980590, 6977355, 7176708, 7611660, 8372826, 8970885, 9303140, 11417490, 11961180, 12559239, 13954710, 16745652, 17941770, 20932065, 22834980, 25118478, 27909420, 35883540, 41864130, 50236956, 62796195, 83728260, 125592390, 251184780]

約数ペア:

[(1, 251184780), (2, 125592390), (3, 83728260), (4, 62796195), (5, 50236956), (6, 41864130), (7, 35883540), (9, 27909420), (10, 25118478), (11, 22834980), (12, 20932065), (14, 17941770), (15, 16745652), (18, 13954710), (20, 12559239), (21, 11961180), (22, 11417490), (27, 9303140), (28, 8970885), (30, 8372826), (33, 7611660), (35, 7176708), (36, 6977355), (42, 5980590), (44, 5708745), (45, 5581884), (49, 5126220), (54, 4651570), (55, 4566996), (60, 4186413), (63, 3987060), (66, 3805830), (70, 3588354), (77, 3262140), (84, 2990295), (90, 2790942), (98, 2563110), (99, 2537220), (105, 2392236), (108, 2325785), (110, 2283498), (126, 1993530), (132, 1902915), (135, 1860628), (140, 1794177), (147, 1708740), (154, 1631070), (165, 1522332), (180, 1395471), (189, 1329020), (196, 1281555), (198, 1268610), (210, 1196118), (220, 1141749), (231, 1087380), (245, 1025244), (252, 996765), (270, 930314), (294, 854370), (297, 845740), (308, 815535), (315, 797412), (330, 761166), (378, 664510), (385, 652428), (396, 634305), (420, 598059), (441, 569580), (462, 543690), (490, 512622), (495, 507444), (539, 466020), (540, 465157), (588, 427185), (594, 422870), (630, 398706), (660, 380583), (693, 362460), (735, 341748), (756, 332255), (770, 326214), (863, 291060), (882, 284790), (924, 271845), (945, 265804), (980, 256311), (990, 253722), (1078, 233010), (1155, 217476), (1188, 211435), (1260, 199353), (1323, 189860), (1386, 181230), (1470, 170874), (1485, 169148), (1540, 163107), (1617, 155340), (1726, 145530), (1764, 142395), (1890, 132902), (1980, 126861), (2079, 120820), (2156, 116505), (2205, 113916), (2310, 108738), (2589, 97020), (2646, 94930), (2695, 93204), (2772, 90615), (2940, 85437), (2970, 84574), (3234, 77670), (3452, 72765), (3465, 72492), (3780, 66451), (4158, 60410), (4315, 58212), (4410, 56958), (4620, 54369), (4851, 51780), (5178, 48510), (5292, 47465), (5390, 46602), (5940, 42287), (6041, 41580), (6468, 38835), (6615, 37972), (6930, 36246), (7767, 32340), (8085, 31068), (8316, 30205), (8630, 29106), (8820, 28479), (9493, 26460), (9702, 25890), (10356, 24255), (10395, 24164), (10780, 23301), (12082, 20790), (12945, 19404), (13230, 18986), (13860, 18123), (14553, 17260), (15534, 16170)]