178201920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 224

約数和(自身を含む): 619597440

約数和(自身を除く): 441395520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 109, 120, 130, 131, 156, 160, 192, 195, 208, 218, 240, 260, 262, 312, 320, 327, 390, 393, 416, 436, 480, 520, 524, 545, 624, 654, 655, 780, 786, 832, 872, 960, 1040, 1048, 1090, 1248, 1308, 1310, 1417, 1560, 1572, 1635, 1703, 1744, 1965, 2080, 2096, 2180, 2496, 2616, 2620, 2834, 3120, 3144, 3270, 3406, 3488, 3930, 4160, 4192, 4251, 4360, 5109, 5232, 5240, 5668, 6240, 6288, 6540, 6812, 6976, 7085, 7860, 8384, 8502, 8515, 8720, 10218, 10464, 10480, 11336, 12480, 12576, 13080, 13624, 14170, 14279, 15720, 17004, 17030, 17440, 20436, 20928, 20960, 21255, 22672, 25152, 25545, 26160, 27248, 28340, 28558, 31440, 34008, 34060, 34880, 40872, 41920, 42510, 42837, 45344, 51090, 52320, 54496, 56680, 57116, 62880, 68016, 68120, 71395, 81744, 85020, 85674, 90688, 102180, 104640, 108992, 113360, 114232, 125760, 136032, 136240, 142790, 163488, 170040, 171348, 185627, 204360, 214185, 226720, 228464, 272064, 272480, 285580, 326976, 340080, 342696, 371254, 408720, 428370, 453440, 456928, 544960, 556881, 571160, 680160, 685392, 742508, 817440, 856740, 913856, 928135, 1113762, 1142320, 1360320, 1370784, 1485016, 1634880, 1713480, 1856270, 2227524, 2284640, 2741568, 2784405, 2970032, 3426960, 3712540, 4455048, 4569280, 5568810, 5940064, 6853920, 7425080, 8910096, 11137620, 11880128, 13707840, 14850160, 17820192, 22275240, 29700320, 35640384, 44550480, 59400640, 89100960, 178201920]

約数ペア:

[(1, 178201920), (2, 89100960), (3, 59400640), (4, 44550480), (5, 35640384), (6, 29700320), (8, 22275240), (10, 17820192), (12, 14850160), (13, 13707840), (15, 11880128), (16, 11137620), (20, 8910096), (24, 7425080), (26, 6853920), (30, 5940064), (32, 5568810), (39, 4569280), (40, 4455048), (48, 3712540), (52, 3426960), (60, 2970032), (64, 2784405), (65, 2741568), (78, 2284640), (80, 2227524), (96, 1856270), (104, 1713480), (109, 1634880), (120, 1485016), (130, 1370784), (131, 1360320), (156, 1142320), (160, 1113762), (192, 928135), (195, 913856), (208, 856740), (218, 817440), (240, 742508), (260, 685392), (262, 680160), (312, 571160), (320, 556881), (327, 544960), (390, 456928), (393, 453440), (416, 428370), (436, 408720), (480, 371254), (520, 342696), (524, 340080), (545, 326976), (624, 285580), (654, 272480), (655, 272064), (780, 228464), (786, 226720), (832, 214185), (872, 204360), (960, 185627), (1040, 171348), (1048, 170040), (1090, 163488), (1248, 142790), (1308, 136240), (1310, 136032), (1417, 125760), (1560, 114232), (1572, 113360), (1635, 108992), (1703, 104640), (1744, 102180), (1965, 90688), (2080, 85674), (2096, 85020), (2180, 81744), (2496, 71395), (2616, 68120), (2620, 68016), (2834, 62880), (3120, 57116), (3144, 56680), (3270, 54496), (3406, 52320), (3488, 51090), (3930, 45344), (4160, 42837), (4192, 42510), (4251, 41920), (4360, 40872), (5109, 34880), (5232, 34060), (5240, 34008), (5668, 31440), (6240, 28558), (6288, 28340), (6540, 27248), (6812, 26160), (6976, 25545), (7085, 25152), (7860, 22672), (8384, 21255), (8502, 20960), (8515, 20928), (8720, 20436), (10218, 17440), (10464, 17030), (10480, 17004), (11336, 15720), (12480, 14279), (12576, 14170), (13080, 13624)]