1215405520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 160

約数和(自身を含む): 3319787520

約数和(自身を除く): 2104382000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 83, 112, 140, 158, 166, 280, 316, 331, 332, 395, 415, 553, 560, 581, 632, 662, 664, 790, 830, 1106, 1162, 1264, 1324, 1328, 1580, 1655, 1660, 2212, 2317, 2324, 2648, 2765, 2905, 3160, 3310, 3320, 4424, 4634, 4648, 5296, 5530, 5810, 6320, 6557, 6620, 6640, 8848, 9268, 9296, 11060, 11585, 11620, 13114, 13240, 18536, 22120, 23170, 23240, 26149, 26228, 26480, 27473, 32785, 37072, 44240, 45899, 46340, 46480, 52298, 52456, 54946, 65570, 91798, 92680, 104596, 104912, 109892, 130745, 131140, 137365, 183043, 183596, 185360, 192311, 209192, 219784, 229495, 261490, 262280, 274730, 366086, 367192, 384622, 418384, 439568, 458990, 522980, 524560, 549460, 732172, 734384, 769244, 915215, 917980, 961555, 1045960, 1098920, 1464344, 1538488, 1830430, 1835960, 1923110, 2091920, 2170367, 2197840, 2928688, 3076976, 3660860, 3671920, 3846220, 4340734, 7321720, 7692440, 8681468, 10851835, 14643440, 15192569, 15384880, 17362936, 21703670, 30385138, 34725872, 43407340, 60770276, 75962845, 86814680, 121540552, 151925690, 173629360, 243081104, 303851380, 607702760, 1215405520]

約数ペア:

[(1, 1215405520), (2, 607702760), (4, 303851380), (5, 243081104), (7, 173629360), (8, 151925690), (10, 121540552), (14, 86814680), (16, 75962845), (20, 60770276), (28, 43407340), (35, 34725872), (40, 30385138), (56, 21703670), (70, 17362936), (79, 15384880), (80, 15192569), (83, 14643440), (112, 10851835), (140, 8681468), (158, 7692440), (166, 7321720), (280, 4340734), (316, 3846220), (331, 3671920), (332, 3660860), (395, 3076976), (415, 2928688), (553, 2197840), (560, 2170367), (581, 2091920), (632, 1923110), (662, 1835960), (664, 1830430), (790, 1538488), (830, 1464344), (1106, 1098920), (1162, 1045960), (1264, 961555), (1324, 917980), (1328, 915215), (1580, 769244), (1655, 734384), (1660, 732172), (2212, 549460), (2317, 524560), (2324, 522980), (2648, 458990), (2765, 439568), (2905, 418384), (3160, 384622), (3310, 367192), (3320, 366086), (4424, 274730), (4634, 262280), (4648, 261490), (5296, 229495), (5530, 219784), (5810, 209192), (6320, 192311), (6557, 185360), (6620, 183596), (6640, 183043), (8848, 137365), (9268, 131140), (9296, 130745), (11060, 109892), (11585, 104912), (11620, 104596), (13114, 92680), (13240, 91798), (18536, 65570), (22120, 54946), (23170, 52456), (23240, 52298), (26149, 46480), (26228, 46340), (26480, 45899), (27473, 44240), (32785, 37072)]