172794440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1351

約数の個数: 128

約数和(自身を含む): 491823360

約数和(自身を除く): 319028920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 728, 740, 910, 962, 1036, 1283, 1295, 1480, 1820, 1924, 2072, 2405, 2566, 2590, 3367, 3640, 3848, 4810, 5132, 5180, 6415, 6734, 8981, 9620, 10264, 10360, 12830, 13468, 16679, 16835, 17962, 19240, 25660, 26936, 33358, 33670, 35924, 44905, 47471, 51320, 66716, 67340, 71848, 83395, 89810, 94942, 116753, 133432, 134680, 166790, 179620, 189884, 233506, 237355, 332297, 333580, 359240, 379768, 467012, 474710, 583765, 617123, 664594, 667160, 934024, 949420, 1167530, 1234246, 1329188, 1661485, 1898840, 2335060, 2468492, 2658376, 3085615, 3322970, 4319861, 4670120, 4936984, 6171230, 6645940, 8639722, 12342460, 13291880, 17279444, 21599305, 24684920, 34558888, 43198610, 86397220, 172794440]

約数ペア:

[(1, 172794440), (2, 86397220), (4, 43198610), (5, 34558888), (7, 24684920), (8, 21599305), (10, 17279444), (13, 13291880), (14, 12342460), (20, 8639722), (26, 6645940), (28, 6171230), (35, 4936984), (37, 4670120), (40, 4319861), (52, 3322970), (56, 3085615), (65, 2658376), (70, 2468492), (74, 2335060), (91, 1898840), (104, 1661485), (130, 1329188), (140, 1234246), (148, 1167530), (182, 949420), (185, 934024), (259, 667160), (260, 664594), (280, 617123), (296, 583765), (364, 474710), (370, 467012), (455, 379768), (481, 359240), (518, 333580), (520, 332297), (728, 237355), (740, 233506), (910, 189884), (962, 179620), (1036, 166790), (1283, 134680), (1295, 133432), (1480, 116753), (1820, 94942), (1924, 89810), (2072, 83395), (2405, 71848), (2566, 67340), (2590, 66716), (3367, 51320), (3640, 47471), (3848, 44905), (4810, 35924), (5132, 33670), (5180, 33358), (6415, 26936), (6734, 25660), (8981, 19240), (9620, 17962), (10264, 16835), (10360, 16679), (12830, 13468)]