28807440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4139}}^1$

素因数の和:4184

約数の個数: 80

約数和(自身を含む): 92404800

約数和(自身を除く): 63597360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 4139, 6960, 8278, 12417, 16556, 20695, 24834, 33112, 41390, 49668, 62085, 66224, 82780, 99336, 120031, 124170, 165560, 198672, 240062, 248340, 331120, 360093, 480124, 496680, 600155, 720186, 960248, 993360, 1200310, 1440372, 1800465, 1920496, 2400620, 2880744, 3600930, 4801240, 5761488, 7201860, 9602480, 14403720, 28807440]

約数ペア:

[(1, 28807440), (2, 14403720), (3, 9602480), (4, 7201860), (5, 5761488), (6, 4801240), (8, 3600930), (10, 2880744), (12, 2400620), (15, 1920496), (16, 1800465), (20, 1440372), (24, 1200310), (29, 993360), (30, 960248), (40, 720186), (48, 600155), (58, 496680), (60, 480124), (80, 360093), (87, 331120), (116, 248340), (120, 240062), (145, 198672), (174, 165560), (232, 124170), (240, 120031), (290, 99336), (348, 82780), (435, 66224), (464, 62085), (580, 49668), (696, 41390), (870, 33112), (1160, 24834), (1392, 20695), (1740, 16556), (2320, 12417), (3480, 8278), (4139, 6960)]