215423320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 592220160

約数和(自身を除く): 376796840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 167, 170, 238, 271, 280, 334, 340, 476, 542, 595, 668, 680, 835, 952, 1084, 1169, 1190, 1336, 1355, 1670, 1897, 2168, 2338, 2380, 2710, 2839, 3340, 3794, 4607, 4676, 4760, 5420, 5678, 5845, 6680, 7588, 9214, 9352, 9485, 10840, 11356, 11690, 14195, 15176, 18428, 18970, 19873, 22712, 23035, 23380, 28390, 32249, 36856, 37940, 39746, 45257, 46070, 46760, 56780, 64498, 75880, 79492, 90514, 92140, 99365, 113560, 128996, 158984, 161245, 181028, 184280, 198730, 226285, 257992, 316799, 322490, 362056, 397460, 452570, 633598, 644980, 769369, 794920, 905140, 1267196, 1289960, 1538738, 1583995, 1810280, 2534392, 3077476, 3167990, 3846845, 5385583, 6154952, 6335980, 7693690, 10771166, 12671960, 15387380, 21542332, 26927915, 30774760, 43084664, 53855830, 107711660, 215423320]

約数ペア:

[(1, 215423320), (2, 107711660), (4, 53855830), (5, 43084664), (7, 30774760), (8, 26927915), (10, 21542332), (14, 15387380), (17, 12671960), (20, 10771166), (28, 7693690), (34, 6335980), (35, 6154952), (40, 5385583), (56, 3846845), (68, 3167990), (70, 3077476), (85, 2534392), (119, 1810280), (136, 1583995), (140, 1538738), (167, 1289960), (170, 1267196), (238, 905140), (271, 794920), (280, 769369), (334, 644980), (340, 633598), (476, 452570), (542, 397460), (595, 362056), (668, 322490), (680, 316799), (835, 257992), (952, 226285), (1084, 198730), (1169, 184280), (1190, 181028), (1336, 161245), (1355, 158984), (1670, 128996), (1897, 113560), (2168, 99365), (2338, 92140), (2380, 90514), (2710, 79492), (2839, 75880), (3340, 64498), (3794, 56780), (4607, 46760), (4676, 46070), (4760, 45257), (5420, 39746), (5678, 37940), (5845, 36856), (6680, 32249), (7588, 28390), (9214, 23380), (9352, 23035), (9485, 22712), (10840, 19873), (11356, 18970), (11690, 18428), (14195, 15176)]