7647640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 23224320

約数和(自身を除く): 15576680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 191, 220, 260, 280, 286, 308, 364, 382, 385, 440, 455, 520, 572, 616, 715, 728, 764, 770, 910, 955, 1001, 1144, 1337, 1430, 1528, 1540, 1820, 1910, 2002, 2101, 2483, 2674, 2860, 3080, 3640, 3820, 4004, 4202, 4966, 5005, 5348, 5720, 6685, 7640, 8008, 8404, 9932, 10010, 10505, 10696, 12415, 13370, 14707, 16808, 17381, 19864, 20020, 21010, 24830, 26740, 27313, 29414, 34762, 40040, 42020, 49660, 53480, 54626, 58828, 69524, 73535, 84040, 86905, 99320, 109252, 117656, 136565, 139048, 147070, 173810, 191191, 218504, 273130, 294140, 347620, 382382, 546260, 588280, 695240, 764764, 955955, 1092520, 1529528, 1911910, 3823820, 7647640]

約数ペア:

[(1, 7647640), (2, 3823820), (4, 1911910), (5, 1529528), (7, 1092520), (8, 955955), (10, 764764), (11, 695240), (13, 588280), (14, 546260), (20, 382382), (22, 347620), (26, 294140), (28, 273130), (35, 218504), (40, 191191), (44, 173810), (52, 147070), (55, 139048), (56, 136565), (65, 117656), (70, 109252), (77, 99320), (88, 86905), (91, 84040), (104, 73535), (110, 69524), (130, 58828), (140, 54626), (143, 53480), (154, 49660), (182, 42020), (191, 40040), (220, 34762), (260, 29414), (280, 27313), (286, 26740), (308, 24830), (364, 21010), (382, 20020), (385, 19864), (440, 17381), (455, 16808), (520, 14707), (572, 13370), (616, 12415), (715, 10696), (728, 10505), (764, 10010), (770, 9932), (910, 8404), (955, 8008), (1001, 7640), (1144, 6685), (1337, 5720), (1430, 5348), (1528, 5005), (1540, 4966), (1820, 4202), (1910, 4004), (2002, 3820), (2101, 3640), (2483, 3080), (2674, 2860)]