71647920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 242341632

約数和(自身を除く): 170693712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 191, 240, 360, 382, 521, 573, 720, 764, 955, 1042, 1146, 1528, 1563, 1719, 1910, 2084, 2292, 2605, 2865, 3056, 3126, 3438, 3820, 4168, 4584, 4689, 5210, 5730, 6252, 6876, 7640, 7815, 8336, 8595, 9168, 9378, 10420, 11460, 12504, 13752, 15280, 15630, 17190, 18756, 20840, 22920, 23445, 25008, 27504, 31260, 34380, 37512, 41680, 45840, 46890, 62520, 68760, 75024, 93780, 99511, 125040, 137520, 187560, 199022, 298533, 375120, 398044, 497555, 597066, 796088, 895599, 995110, 1194132, 1492665, 1592176, 1791198, 1990220, 2388264, 2985330, 3582396, 3980440, 4477995, 4776528, 5970660, 7164792, 7960880, 8955990, 11941320, 14329584, 17911980, 23882640, 35823960, 71647920]

約数ペア:

[(1, 71647920), (2, 35823960), (3, 23882640), (4, 17911980), (5, 14329584), (6, 11941320), (8, 8955990), (9, 7960880), (10, 7164792), (12, 5970660), (15, 4776528), (16, 4477995), (18, 3980440), (20, 3582396), (24, 2985330), (30, 2388264), (36, 1990220), (40, 1791198), (45, 1592176), (48, 1492665), (60, 1194132), (72, 995110), (80, 895599), (90, 796088), (120, 597066), (144, 497555), (180, 398044), (191, 375120), (240, 298533), (360, 199022), (382, 187560), (521, 137520), (573, 125040), (720, 99511), (764, 93780), (955, 75024), (1042, 68760), (1146, 62520), (1528, 46890), (1563, 45840), (1719, 41680), (1910, 37512), (2084, 34380), (2292, 31260), (2605, 27504), (2865, 25008), (3056, 23445), (3126, 22920), (3438, 20840), (3820, 18756), (4168, 17190), (4584, 15630), (4689, 15280), (5210, 13752), (5730, 12504), (6252, 11460), (6876, 10420), (7640, 9378), (7815, 9168), (8336, 8595)]