1990348560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{2764373}}^1$

素因数の和:2764392

約数の個数: 60

約数和(自身を含む): 6684256332

約数和(自身を除く): 4693907772

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, 240, 360, 720, 2764373, 5528746, 8293119, 11057492, 13821865, 16586238, 22114984, 24879357, 27643730, 33172476, 41465595, 44229968, 49758714, 55287460, 66344952, 82931190, 99517428, 110574920, 124396785, 132689904, 165862380, 199034856, 221149840, 248793570, 331724760, 398069712, 497587140, 663449520, 995174280, 1990348560]

約数ペア:

[(1, 1990348560), (2, 995174280), (3, 663449520), (4, 497587140), (5, 398069712), (6, 331724760), (8, 248793570), (9, 221149840), (10, 199034856), (12, 165862380), (15, 132689904), (16, 124396785), (18, 110574920), (20, 99517428), (24, 82931190), (30, 66344952), (36, 55287460), (40, 49758714), (45, 44229968), (48, 41465595), (60, 33172476), (72, 27643730), (80, 24879357), (90, 22114984), (120, 16586238), (144, 13821865), (180, 11057492), (240, 8293119), (360, 5528746), (720, 2764373)]