1377290960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{1997}}^1$

素因数の和:2280

約数の個数: 80

約数和(自身を含む): 3304516176

約数和(自身を除く): 1927225216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 233, 296, 370, 466, 592, 740, 932, 1165, 1480, 1864, 1997, 2330, 2960, 3728, 3994, 4660, 7988, 8621, 9320, 9985, 15976, 17242, 18640, 19970, 31952, 34484, 39940, 43105, 68968, 73889, 79880, 86210, 137936, 147778, 159760, 172420, 295556, 344840, 369445, 465301, 591112, 689680, 738890, 930602, 1182224, 1477780, 1861204, 2326505, 2955560, 3722408, 4653010, 5911120, 7444816, 9306020, 17216137, 18612040, 34432274, 37224080, 68864548, 86080685, 137729096, 172161370, 275458192, 344322740, 688645480, 1377290960]

約数ペア:

[(1, 1377290960), (2, 688645480), (4, 344322740), (5, 275458192), (8, 172161370), (10, 137729096), (16, 86080685), (20, 68864548), (37, 37224080), (40, 34432274), (74, 18612040), (80, 17216137), (148, 9306020), (185, 7444816), (233, 5911120), (296, 4653010), (370, 3722408), (466, 2955560), (592, 2326505), (740, 1861204), (932, 1477780), (1165, 1182224), (1480, 930602), (1864, 738890), (1997, 689680), (2330, 591112), (2960, 465301), (3728, 369445), (3994, 344840), (4660, 295556), (7988, 172420), (8621, 159760), (9320, 147778), (9985, 137936), (15976, 86210), (17242, 79880), (18640, 73889), (19970, 68968), (31952, 43105), (34484, 39940)]