155551360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 409117410

約数和(自身を除く): 253566050

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 272, 289, 290, 320, 340, 464, 493, 544, 578, 580, 640, 680, 841, 928, 986, 1088, 1156, 1160, 1360, 1445, 1682, 1856, 1972, 2176, 2312, 2320, 2465, 2720, 2890, 3364, 3712, 3944, 4205, 4624, 4640, 4930, 5440, 5780, 6728, 7888, 8381, 8410, 9248, 9280, 9860, 10880, 11560, 13456, 14297, 15776, 16762, 16820, 18496, 18560, 19720, 23120, 26912, 28594, 31552, 33524, 33640, 36992, 39440, 41905, 46240, 53824, 57188, 63104, 67048, 67280, 71485, 78880, 83810, 92480, 107648, 114376, 134096, 134560, 142970, 157760, 167620, 184960, 228752, 243049, 268192, 269120, 285940, 315520, 335240, 457504, 486098, 536384, 538240, 571880, 670480, 915008, 972196, 1072768, 1143760, 1215245, 1340960, 1830016, 1944392, 2287520, 2430490, 2681920, 3888784, 4575040, 4860980, 5363840, 7777568, 9150080, 9721960, 15555136, 19443920, 31110272, 38887840, 77775680, 155551360]

約数ペア:

[(1, 155551360), (2, 77775680), (4, 38887840), (5, 31110272), (8, 19443920), (10, 15555136), (16, 9721960), (17, 9150080), (20, 7777568), (29, 5363840), (32, 4860980), (34, 4575040), (40, 3888784), (58, 2681920), (64, 2430490), (68, 2287520), (80, 1944392), (85, 1830016), (116, 1340960), (128, 1215245), (136, 1143760), (145, 1072768), (160, 972196), (170, 915008), (232, 670480), (272, 571880), (289, 538240), (290, 536384), (320, 486098), (340, 457504), (464, 335240), (493, 315520), (544, 285940), (578, 269120), (580, 268192), (640, 243049), (680, 228752), (841, 184960), (928, 167620), (986, 157760), (1088, 142970), (1156, 134560), (1160, 134096), (1360, 114376), (1445, 107648), (1682, 92480), (1856, 83810), (1972, 78880), (2176, 71485), (2312, 67280), (2320, 67048), (2465, 63104), (2720, 57188), (2890, 53824), (3364, 46240), (3712, 41905), (3944, 39440), (4205, 36992), (4624, 33640), (4640, 33524), (4930, 31552), (5440, 28594), (5780, 26912), (6728, 23120), (7888, 19720), (8381, 18560), (8410, 18496), (9248, 16820), (9280, 16762), (9860, 15776), (10880, 14297), (11560, 13456)]