40721520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{24239}}^1$

素因数の和:24262

約数の個数: 80

約数和(自身を含む): 144276480

約数和(自身を除く): 103554960

約数列:

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

約数ペア:

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