251975880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 256

約数和(自身を含む): 918086400

約数和(自身を除く): 666110520

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, 78, 90, 104, 108, 117, 120, 130, 131, 135, 137, 156, 180, 195, 216, 234, 260, 262, 270, 274, 312, 351, 360, 390, 393, 411, 468, 520, 524, 540, 548, 585, 655, 685, 702, 780, 786, 822, 936, 1048, 1080, 1096, 1170, 1179, 1233, 1310, 1370, 1404, 1560, 1572, 1644, 1703, 1755, 1781, 1965, 2055, 2340, 2358, 2466, 2620, 2740, 2808, 3144, 3288, 3406, 3510, 3537, 3562, 3699, 3930, 4110, 4680, 4716, 4932, 5109, 5240, 5343, 5480, 5895, 6165, 6812, 7020, 7074, 7124, 7398, 7860, 8220, 8515, 8905, 9432, 9864, 10218, 10686, 11790, 12330, 13624, 14040, 14148, 14248, 14796, 15327, 15720, 16029, 16440, 17030, 17685, 17810, 17947, 18495, 20436, 21372, 23580, 24660, 25545, 26715, 28296, 29592, 30654, 32058, 34060, 35370, 35620, 35894, 36990, 40872, 42744, 45981, 47160, 48087, 49320, 51090, 53430, 53841, 61308, 64116, 68120, 70740, 71240, 71788, 73980, 76635, 80145, 89735, 91962, 96174, 102180, 106860, 107682, 122616, 128232, 141480, 143576, 147960, 153270, 160290, 161523, 179470, 183924, 192348, 204360, 213720, 215364, 229905, 233311, 240435, 269205, 306540, 320580, 323046, 358940, 367848, 384696, 430728, 459810, 466622, 480870, 484569, 538410, 613080, 641160, 646092, 699933, 717880, 807615, 919620, 933244, 961740, 969138, 1076820, 1166555, 1292184, 1399866, 1615230, 1839240, 1866488, 1923480, 1938276, 2099799, 2153640, 2333110, 2422845, 2799732, 3230460, 3499665, 3876552, 4199598, 4666220, 4845690, 5599464, 6299397, 6460920, 6999330, 8399196, 9332440, 9691380, 10498995, 12598794, 13998660, 16798392, 19382760, 20997990, 25197588, 27997320, 31496985, 41995980, 50395176, 62993970, 83991960, 125987940, 251975880]

約数ペア:

[(1, 251975880), (2, 125987940), (3, 83991960), (4, 62993970), (5, 50395176), (6, 41995980), (8, 31496985), (9, 27997320), (10, 25197588), (12, 20997990), (13, 19382760), (15, 16798392), (18, 13998660), (20, 12598794), (24, 10498995), (26, 9691380), (27, 9332440), (30, 8399196), (36, 6999330), (39, 6460920), (40, 6299397), (45, 5599464), (52, 4845690), (54, 4666220), (60, 4199598), (65, 3876552), (72, 3499665), (78, 3230460), (90, 2799732), (104, 2422845), (108, 2333110), (117, 2153640), (120, 2099799), (130, 1938276), (131, 1923480), (135, 1866488), (137, 1839240), (156, 1615230), (180, 1399866), (195, 1292184), (216, 1166555), (234, 1076820), (260, 969138), (262, 961740), (270, 933244), (274, 919620), (312, 807615), (351, 717880), (360, 699933), (390, 646092), (393, 641160), (411, 613080), (468, 538410), (520, 484569), (524, 480870), (540, 466622), (548, 459810), (585, 430728), (655, 384696), (685, 367848), (702, 358940), (780, 323046), (786, 320580), (822, 306540), (936, 269205), (1048, 240435), (1080, 233311), (1096, 229905), (1170, 215364), (1179, 213720), (1233, 204360), (1310, 192348), (1370, 183924), (1404, 179470), (1560, 161523), (1572, 160290), (1644, 153270), (1703, 147960), (1755, 143576), (1781, 141480), (1965, 128232), (2055, 122616), (2340, 107682), (2358, 106860), (2466, 102180), (2620, 96174), (2740, 91962), (2808, 89735), (3144, 80145), (3288, 76635), (3406, 73980), (3510, 71788), (3537, 71240), (3562, 70740), (3699, 68120), (3930, 64116), (4110, 61308), (4680, 53841), (4716, 53430), (4932, 51090), (5109, 49320), (5240, 48087), (5343, 47160), (5480, 45981), (5895, 42744), (6165, 40872), (6812, 36990), (7020, 35894), (7074, 35620), (7124, 35370), (7398, 34060), (7860, 32058), (8220, 30654), (8515, 29592), (8905, 28296), (9432, 26715), (9864, 25545), (10218, 24660), (10686, 23580), (11790, 21372), (12330, 20436), (13624, 18495), (14040, 17947), (14148, 17810), (14248, 17685), (14796, 17030), (15327, 16440), (15720, 16029)]