80275680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 277031664

約数和(自身を除く): 196755984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 480, 521, 535, 642, 720, 856, 963, 1042, 1070, 1284, 1440, 1563, 1605, 1712, 1926, 2084, 2140, 2568, 2605, 3126, 3210, 3424, 3852, 4168, 4280, 4689, 4815, 5136, 5210, 6252, 6420, 7704, 7815, 8336, 8560, 9378, 9630, 10272, 10420, 12504, 12840, 15408, 15630, 16672, 17120, 18756, 19260, 20840, 23445, 25008, 25680, 30816, 31260, 37512, 38520, 41680, 46890, 50016, 51360, 55747, 62520, 75024, 77040, 83360, 93780, 111494, 125040, 150048, 154080, 167241, 187560, 222988, 250080, 278735, 334482, 375120, 445976, 501723, 557470, 668964, 750240, 836205, 891952, 1003446, 1114940, 1337928, 1672410, 1783904, 2006892, 2229880, 2508615, 2675856, 3344820, 4013784, 4459760, 5017230, 5351712, 6689640, 8027568, 8919520, 10034460, 13379280, 16055136, 20068920, 26758560, 40137840, 80275680]

約数ペア:

[(1, 80275680), (2, 40137840), (3, 26758560), (4, 20068920), (5, 16055136), (6, 13379280), (8, 10034460), (9, 8919520), (10, 8027568), (12, 6689640), (15, 5351712), (16, 5017230), (18, 4459760), (20, 4013784), (24, 3344820), (30, 2675856), (32, 2508615), (36, 2229880), (40, 2006892), (45, 1783904), (48, 1672410), (60, 1337928), (72, 1114940), (80, 1003446), (90, 891952), (96, 836205), (107, 750240), (120, 668964), (144, 557470), (160, 501723), (180, 445976), (214, 375120), (240, 334482), (288, 278735), (321, 250080), (360, 222988), (428, 187560), (480, 167241), (521, 154080), (535, 150048), (642, 125040), (720, 111494), (856, 93780), (963, 83360), (1042, 77040), (1070, 75024), (1284, 62520), (1440, 55747), (1563, 51360), (1605, 50016), (1712, 46890), (1926, 41680), (2084, 38520), (2140, 37512), (2568, 31260), (2605, 30816), (3126, 25680), (3210, 25008), (3424, 23445), (3852, 20840), (4168, 19260), (4280, 18756), (4689, 17120), (4815, 16672), (5136, 15630), (5210, 15408), (6252, 12840), (6420, 12504), (7704, 10420), (7815, 10272), (8336, 9630), (8560, 9378)]