18111840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 39676800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 97, 120, 160, 194, 240, 291, 388, 389, 480, 485, 582, 776, 778, 970, 1164, 1167, 1455, 1552, 1556, 1940, 1945, 2328, 2334, 2910, 3104, 3112, 3880, 3890, 4656, 4668, 5820, 5835, 6224, 7760, 7780, 9312, 9336, 11640, 11670, 12448, 15520, 15560, 18672, 23280, 23340, 31120, 37344, 37733, 46560, 46680, 62240, 75466, 93360, 113199, 150932, 186720, 188665, 226398, 301864, 377330, 452796, 565995, 603728, 754660, 905592, 1131990, 1207456, 1509320, 1811184, 2263980, 3018640, 3622368, 4527960, 6037280, 9055920, 18111840]

約数ペア:

[(1, 18111840), (2, 9055920), (3, 6037280), (4, 4527960), (5, 3622368), (6, 3018640), (8, 2263980), (10, 1811184), (12, 1509320), (15, 1207456), (16, 1131990), (20, 905592), (24, 754660), (30, 603728), (32, 565995), (40, 452796), (48, 377330), (60, 301864), (80, 226398), (96, 188665), (97, 186720), (120, 150932), (160, 113199), (194, 93360), (240, 75466), (291, 62240), (388, 46680), (389, 46560), (480, 37733), (485, 37344), (582, 31120), (776, 23340), (778, 23280), (970, 18672), (1164, 15560), (1167, 15520), (1455, 12448), (1552, 11670), (1556, 11640), (1940, 9336), (1945, 9312), (2328, 7780), (2334, 7760), (2910, 6224), (3104, 5835), (3112, 5820), (3880, 4668), (3890, 4656)]