128846640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 160

約数和(自身を含む): 437846976

約数和(自身を除く): 309000336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 366, 390, 488, 520, 610, 624, 677, 732, 780, 793, 915, 976, 1040, 1220, 1354, 1464, 1560, 1586, 1830, 2031, 2379, 2440, 2708, 2928, 3120, 3172, 3385, 3660, 3965, 4062, 4758, 4880, 5416, 6344, 6770, 7320, 7930, 8124, 8801, 9516, 10155, 10832, 11895, 12688, 13540, 14640, 15860, 16248, 17602, 19032, 20310, 23790, 26403, 27080, 31720, 32496, 35204, 38064, 40620, 41297, 44005, 47580, 52806, 54160, 63440, 70408, 81240, 82594, 88010, 95160, 105612, 123891, 132015, 140816, 162480, 165188, 176020, 190320, 206485, 211224, 247782, 264030, 330376, 352040, 412970, 422448, 495564, 528060, 536861, 619455, 660752, 704080, 825940, 991128, 1056120, 1073722, 1238910, 1610583, 1651880, 1982256, 2112240, 2147444, 2477820, 2684305, 3221166, 3303760, 4294888, 4955640, 5368610, 6442332, 8052915, 8589776, 9911280, 10737220, 12884664, 16105830, 21474440, 25769328, 32211660, 42948880, 64423320, 128846640]

約数ペア:

[(1, 128846640), (2, 64423320), (3, 42948880), (4, 32211660), (5, 25769328), (6, 21474440), (8, 16105830), (10, 12884664), (12, 10737220), (13, 9911280), (15, 8589776), (16, 8052915), (20, 6442332), (24, 5368610), (26, 4955640), (30, 4294888), (39, 3303760), (40, 3221166), (48, 2684305), (52, 2477820), (60, 2147444), (61, 2112240), (65, 1982256), (78, 1651880), (80, 1610583), (104, 1238910), (120, 1073722), (122, 1056120), (130, 991128), (156, 825940), (183, 704080), (195, 660752), (208, 619455), (240, 536861), (244, 528060), (260, 495564), (305, 422448), (312, 412970), (366, 352040), (390, 330376), (488, 264030), (520, 247782), (610, 211224), (624, 206485), (677, 190320), (732, 176020), (780, 165188), (793, 162480), (915, 140816), (976, 132015), (1040, 123891), (1220, 105612), (1354, 95160), (1464, 88010), (1560, 82594), (1586, 81240), (1830, 70408), (2031, 63440), (2379, 54160), (2440, 52806), (2708, 47580), (2928, 44005), (3120, 41297), (3172, 40620), (3385, 38064), (3660, 35204), (3965, 32496), (4062, 31720), (4758, 27080), (4880, 26403), (5416, 23790), (6344, 20310), (6770, 19032), (7320, 17602), (7930, 16248), (8124, 15860), (8801, 14640), (9516, 13540), (10155, 12688), (10832, 11895)]