261519440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35923}}^1$

素因数の和:35956

約数の個数: 80

約数和(自身を含む): 748368768

約数和(自身を除く): 486849328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 35923, 71846, 143692, 179615, 251461, 287384, 359230, 466999, 502922, 574768, 718460, 933998, 1005844, 1257305, 1436920, 1867996, 2011688, 2334995, 2514610, 2873840, 3268993, 3735992, 4023376, 4669990, 5029220, 6537986, 7471984, 9339980, 10058440, 13075972, 16344965, 18679960, 20116880, 26151944, 32689930, 37359920, 52303888, 65379860, 130759720, 261519440]

約数ペア:

[(1, 261519440), (2, 130759720), (4, 65379860), (5, 52303888), (7, 37359920), (8, 32689930), (10, 26151944), (13, 20116880), (14, 18679960), (16, 16344965), (20, 13075972), (26, 10058440), (28, 9339980), (35, 7471984), (40, 6537986), (52, 5029220), (56, 4669990), (65, 4023376), (70, 3735992), (80, 3268993), (91, 2873840), (104, 2514610), (112, 2334995), (130, 2011688), (140, 1867996), (182, 1436920), (208, 1257305), (260, 1005844), (280, 933998), (364, 718460), (455, 574768), (520, 502922), (560, 466999), (728, 359230), (910, 287384), (1040, 251461), (1456, 179615), (1820, 143692), (3640, 71846), (7280, 35923)]