90340680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20347}}^1$

素因数の和:20398

約数の個数: 64

約数和(自身を含む): 278360640

約数和(自身を除く): 188019960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 20347, 40694, 61041, 81388, 101735, 122082, 162776, 203470, 244164, 305205, 406940, 488328, 610410, 752839, 813880, 1220820, 1505678, 2258517, 2441640, 3011356, 3764195, 4517034, 6022712, 7528390, 9034068, 11292585, 15056780, 18068136, 22585170, 30113560, 45170340, 90340680]

約数ペア:

[(1, 90340680), (2, 45170340), (3, 30113560), (4, 22585170), (5, 18068136), (6, 15056780), (8, 11292585), (10, 9034068), (12, 7528390), (15, 6022712), (20, 4517034), (24, 3764195), (30, 3011356), (37, 2441640), (40, 2258517), (60, 1505678), (74, 1220820), (111, 813880), (120, 752839), (148, 610410), (185, 488328), (222, 406940), (296, 305205), (370, 244164), (444, 203470), (555, 162776), (740, 122082), (888, 101735), (1110, 81388), (1480, 61041), (2220, 40694), (4440, 20347)]