7940400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 27446160

約数和(自身を除く): 19505760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 509, 520, 600, 624, 650, 780, 975, 1018, 1040, 1200, 1300, 1527, 1560, 1950, 2036, 2545, 2600, 3054, 3120, 3900, 4072, 5090, 5200, 6108, 6617, 7635, 7800, 8144, 10180, 12216, 12725, 13234, 15270, 15600, 19851, 20360, 24432, 25450, 26468, 30540, 33085, 38175, 39702, 40720, 50900, 52936, 61080, 66170, 76350, 79404, 99255, 101800, 105872, 122160, 132340, 152700, 158808, 165425, 198510, 203600, 264680, 305400, 317616, 330850, 397020, 496275, 529360, 610800, 661700, 794040, 992550, 1323400, 1588080, 1985100, 2646800, 3970200, 7940400]

約数ペア:

[(1, 7940400), (2, 3970200), (3, 2646800), (4, 1985100), (5, 1588080), (6, 1323400), (8, 992550), (10, 794040), (12, 661700), (13, 610800), (15, 529360), (16, 496275), (20, 397020), (24, 330850), (25, 317616), (26, 305400), (30, 264680), (39, 203600), (40, 198510), (48, 165425), (50, 158808), (52, 152700), (60, 132340), (65, 122160), (75, 105872), (78, 101800), (80, 99255), (100, 79404), (104, 76350), (120, 66170), (130, 61080), (150, 52936), (156, 50900), (195, 40720), (200, 39702), (208, 38175), (240, 33085), (260, 30540), (300, 26468), (312, 25450), (325, 24432), (390, 20360), (400, 19851), (509, 15600), (520, 15270), (600, 13234), (624, 12725), (650, 12216), (780, 10180), (975, 8144), (1018, 7800), (1040, 7635), (1200, 6617), (1300, 6108), (1527, 5200), (1560, 5090), (1950, 4072), (2036, 3900), (2545, 3120), (2600, 3054)]