123218640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3229}}^1$

素因数の和:3301

約数の個数: 120

約数和(自身を含む): 421747560

約数和(自身を除く): 298528920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3229, 3816, 4240, 4770, 6360, 6458, 7632, 9540, 9687, 12720, 12916, 16145, 19080, 19374, 25832, 29061, 32290, 38160, 38748, 48435, 51664, 58122, 64580, 77496, 96870, 116244, 129160, 145305, 154992, 171137, 193740, 232488, 258320, 290610, 342274, 387480, 464976, 513411, 581220, 684548, 774960, 855685, 1026822, 1162440, 1369096, 1540233, 1711370, 2053644, 2324880, 2567055, 2738192, 3080466, 3422740, 4107288, 5134110, 6160932, 6845480, 7701165, 8214576, 10268220, 12321864, 13690960, 15402330, 20536440, 24643728, 30804660, 41072880, 61609320, 123218640]

約数ペア:

[(1, 123218640), (2, 61609320), (3, 41072880), (4, 30804660), (5, 24643728), (6, 20536440), (8, 15402330), (9, 13690960), (10, 12321864), (12, 10268220), (15, 8214576), (16, 7701165), (18, 6845480), (20, 6160932), (24, 5134110), (30, 4107288), (36, 3422740), (40, 3080466), (45, 2738192), (48, 2567055), (53, 2324880), (60, 2053644), (72, 1711370), (80, 1540233), (90, 1369096), (106, 1162440), (120, 1026822), (144, 855685), (159, 774960), (180, 684548), (212, 581220), (240, 513411), (265, 464976), (318, 387480), (360, 342274), (424, 290610), (477, 258320), (530, 232488), (636, 193740), (720, 171137), (795, 154992), (848, 145305), (954, 129160), (1060, 116244), (1272, 96870), (1590, 77496), (1908, 64580), (2120, 58122), (2385, 51664), (2544, 48435), (3180, 38748), (3229, 38160), (3816, 32290), (4240, 29061), (4770, 25832), (6360, 19374), (6458, 19080), (7632, 16145), (9540, 12916), (9687, 12720)]