131709760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4523}}^1$

素因数の和:4560

約数の個数: 112

約数和(自身を含む): 386096256

約数和(自身を除く): 254386496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 4523, 5824, 7280, 9046, 14560, 18092, 22615, 29120, 31661, 36184, 45230, 58799, 63322, 72368, 90460, 117598, 126644, 144736, 158305, 180920, 235196, 253288, 289472, 293995, 316610, 361840, 411593, 470392, 506576, 587990, 633220, 723680, 823186, 940784, 1013152, 1175980, 1266440, 1447360, 1646372, 1881568, 2026304, 2057965, 2351960, 2532880, 3292744, 3763136, 4115930, 4703920, 5065760, 6585488, 8231860, 9407840, 10131520, 13170976, 16463720, 18815680, 26341952, 32927440, 65854880, 131709760]

約数ペア:

[(1, 131709760), (2, 65854880), (4, 32927440), (5, 26341952), (7, 18815680), (8, 16463720), (10, 13170976), (13, 10131520), (14, 9407840), (16, 8231860), (20, 6585488), (26, 5065760), (28, 4703920), (32, 4115930), (35, 3763136), (40, 3292744), (52, 2532880), (56, 2351960), (64, 2057965), (65, 2026304), (70, 1881568), (80, 1646372), (91, 1447360), (104, 1266440), (112, 1175980), (130, 1013152), (140, 940784), (160, 823186), (182, 723680), (208, 633220), (224, 587990), (260, 506576), (280, 470392), (320, 411593), (364, 361840), (416, 316610), (448, 293995), (455, 289472), (520, 253288), (560, 235196), (728, 180920), (832, 158305), (910, 144736), (1040, 126644), (1120, 117598), (1456, 90460), (1820, 72368), (2080, 63322), (2240, 58799), (2912, 45230), (3640, 36184), (4160, 31661), (4523, 29120), (5824, 22615), (7280, 18092), (9046, 14560)]