71846320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 209986560

約数和(自身を除く): 138140240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 139, 140, 142, 182, 208, 260, 278, 280, 284, 355, 364, 455, 497, 520, 556, 560, 568, 695, 710, 728, 910, 923, 973, 994, 1040, 1112, 1136, 1390, 1420, 1456, 1807, 1820, 1846, 1946, 1988, 2224, 2485, 2780, 2840, 3614, 3640, 3692, 3892, 3976, 4615, 4865, 4970, 5560, 5680, 6461, 7228, 7280, 7384, 7784, 7952, 9035, 9230, 9730, 9869, 9940, 11120, 12649, 12922, 14456, 14768, 15568, 18070, 18460, 19460, 19738, 19880, 25298, 25844, 28912, 32305, 36140, 36920, 38920, 39476, 39760, 49345, 50596, 51688, 63245, 64610, 69083, 72280, 73840, 77840, 78952, 98690, 101192, 103376, 126490, 128297, 129220, 138166, 144560, 157904, 197380, 202384, 252980, 256594, 258440, 276332, 345415, 394760, 505960, 513188, 516880, 552664, 641485, 690830, 789520, 898079, 1011920, 1026376, 1105328, 1282970, 1381660, 1796158, 2052752, 2565940, 2763320, 3592316, 4490395, 5131880, 5526640, 7184632, 8980790, 10263760, 14369264, 17961580, 35923160, 71846320]

約数ペア:

[(1, 71846320), (2, 35923160), (4, 17961580), (5, 14369264), (7, 10263760), (8, 8980790), (10, 7184632), (13, 5526640), (14, 5131880), (16, 4490395), (20, 3592316), (26, 2763320), (28, 2565940), (35, 2052752), (40, 1796158), (52, 1381660), (56, 1282970), (65, 1105328), (70, 1026376), (71, 1011920), (80, 898079), (91, 789520), (104, 690830), (112, 641485), (130, 552664), (139, 516880), (140, 513188), (142, 505960), (182, 394760), (208, 345415), (260, 276332), (278, 258440), (280, 256594), (284, 252980), (355, 202384), (364, 197380), (455, 157904), (497, 144560), (520, 138166), (556, 129220), (560, 128297), (568, 126490), (695, 103376), (710, 101192), (728, 98690), (910, 78952), (923, 77840), (973, 73840), (994, 72280), (1040, 69083), (1112, 64610), (1136, 63245), (1390, 51688), (1420, 50596), (1456, 49345), (1807, 39760), (1820, 39476), (1846, 38920), (1946, 36920), (1988, 36140), (2224, 32305), (2485, 28912), (2780, 25844), (2840, 25298), (3614, 19880), (3640, 19738), (3692, 19460), (3892, 18460), (3976, 18070), (4615, 15568), (4865, 14768), (4970, 14456), (5560, 12922), (5680, 12649), (6461, 11120), (7228, 9940), (7280, 9869), (7384, 9730), (7784, 9230), (7952, 9035)]