81194880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3253}}^1$

素因数の和:3288

約数の個数: 128

約数和(自身を含む): 278802720

約数和(自身を除く): 197607840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 3253, 4160, 4992, 6240, 6506, 8320, 9759, 12480, 13012, 16265, 19518, 24960, 26024, 32530, 39036, 42289, 48795, 52048, 65060, 78072, 84578, 97590, 104096, 126867, 130120, 156144, 169156, 195180, 208192, 211445, 253734, 260240, 312288, 338312, 390360, 416384, 422890, 507468, 520480, 624576, 634335, 676624, 780720, 845780, 1014936, 1040960, 1249152, 1268670, 1353248, 1561440, 1691560, 2029872, 2081920, 2537340, 2706496, 3122880, 3383120, 4059744, 5074680, 5412992, 6245760, 6766240, 8119488, 10149360, 13532480, 16238976, 20298720, 27064960, 40597440, 81194880]

約数ペア:

[(1, 81194880), (2, 40597440), (3, 27064960), (4, 20298720), (5, 16238976), (6, 13532480), (8, 10149360), (10, 8119488), (12, 6766240), (13, 6245760), (15, 5412992), (16, 5074680), (20, 4059744), (24, 3383120), (26, 3122880), (30, 2706496), (32, 2537340), (39, 2081920), (40, 2029872), (48, 1691560), (52, 1561440), (60, 1353248), (64, 1268670), (65, 1249152), (78, 1040960), (80, 1014936), (96, 845780), (104, 780720), (120, 676624), (128, 634335), (130, 624576), (156, 520480), (160, 507468), (192, 422890), (195, 416384), (208, 390360), (240, 338312), (260, 312288), (312, 260240), (320, 253734), (384, 211445), (390, 208192), (416, 195180), (480, 169156), (520, 156144), (624, 130120), (640, 126867), (780, 104096), (832, 97590), (960, 84578), (1040, 78072), (1248, 65060), (1560, 52048), (1664, 48795), (1920, 42289), (2080, 39036), (2496, 32530), (3120, 26024), (3253, 24960), (4160, 19518), (4992, 16265), (6240, 13012), (6506, 12480), (8320, 9759)]