15247960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 28297640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 71, 91, 104, 118, 130, 140, 142, 182, 236, 260, 280, 284, 295, 355, 364, 413, 455, 472, 497, 520, 568, 590, 710, 728, 767, 826, 910, 923, 994, 1180, 1420, 1534, 1652, 1820, 1846, 1988, 2065, 2360, 2485, 2840, 3068, 3304, 3640, 3692, 3835, 3976, 4130, 4189, 4615, 4970, 5369, 6136, 6461, 7384, 7670, 8260, 8378, 9230, 9940, 10738, 12922, 15340, 16520, 16756, 18460, 19880, 20945, 21476, 25844, 26845, 29323, 30680, 32305, 33512, 36920, 41890, 42952, 51688, 53690, 54457, 58646, 64610, 83780, 107380, 108914, 117292, 129220, 146615, 167560, 214760, 217828, 234584, 258440, 272285, 293230, 381199, 435656, 544570, 586460, 762398, 1089140, 1172920, 1524796, 1905995, 2178280, 3049592, 3811990, 7623980, 15247960]

約数ペア:

[(1, 15247960), (2, 7623980), (4, 3811990), (5, 3049592), (7, 2178280), (8, 1905995), (10, 1524796), (13, 1172920), (14, 1089140), (20, 762398), (26, 586460), (28, 544570), (35, 435656), (40, 381199), (52, 293230), (56, 272285), (59, 258440), (65, 234584), (70, 217828), (71, 214760), (91, 167560), (104, 146615), (118, 129220), (130, 117292), (140, 108914), (142, 107380), (182, 83780), (236, 64610), (260, 58646), (280, 54457), (284, 53690), (295, 51688), (355, 42952), (364, 41890), (413, 36920), (455, 33512), (472, 32305), (497, 30680), (520, 29323), (568, 26845), (590, 25844), (710, 21476), (728, 20945), (767, 19880), (826, 18460), (910, 16756), (923, 16520), (994, 15340), (1180, 12922), (1420, 10738), (1534, 9940), (1652, 9230), (1820, 8378), (1846, 8260), (1988, 7670), (2065, 7384), (2360, 6461), (2485, 6136), (2840, 5369), (3068, 4970), (3304, 4615), (3640, 4189), (3692, 4130), (3835, 3976)]