81443040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{24239}}^1$

素因数の和:24264

約数の個数: 96

約数和(自身を含む): 293207040

約数和(自身を除く): 211764000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 24239, 48478, 72717, 96956, 121195, 145434, 169673, 193912, 242390, 290868, 339346, 363585, 387824, 484780, 509019, 581736, 678692, 727170, 775648, 848365, 969560, 1018038, 1163472, 1357384, 1454340, 1696730, 1939120, 2036076, 2326944, 2545095, 2714768, 2908680, 3393460, 3878240, 4072152, 5090190, 5429536, 5817360, 6786920, 8144304, 10180380, 11634720, 13573840, 16288608, 20360760, 27147680, 40721520, 81443040]

約数ペア:

[(1, 81443040), (2, 40721520), (3, 27147680), (4, 20360760), (5, 16288608), (6, 13573840), (7, 11634720), (8, 10180380), (10, 8144304), (12, 6786920), (14, 5817360), (15, 5429536), (16, 5090190), (20, 4072152), (21, 3878240), (24, 3393460), (28, 2908680), (30, 2714768), (32, 2545095), (35, 2326944), (40, 2036076), (42, 1939120), (48, 1696730), (56, 1454340), (60, 1357384), (70, 1163472), (80, 1018038), (84, 969560), (96, 848365), (105, 775648), (112, 727170), (120, 678692), (140, 581736), (160, 509019), (168, 484780), (210, 387824), (224, 363585), (240, 339346), (280, 290868), (336, 242390), (420, 193912), (480, 169673), (560, 145434), (672, 121195), (840, 96956), (1120, 72717), (1680, 48478), (3360, 24239)]