79740640

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{1453}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 219844800

約数和(自身を除く): 140104160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1453, 1568, 1715, 1960, 2744, 2906, 3430, 3920, 5488, 5812, 6860, 7265, 7840, 10171, 10976, 11624, 13720, 14530, 20342, 23248, 27440, 29060, 40684, 46496, 50855, 54880, 58120, 71197, 81368, 101710, 116240, 142394, 162736, 203420, 232480, 284788, 325472, 355985, 406840, 498379, 569576, 711970, 813680, 996758, 1139152, 1423940, 1627360, 1993516, 2278304, 2491895, 2847880, 3987032, 4983790, 5695760, 7974064, 9967580, 11391520, 15948128, 19935160, 39870320, 79740640]

約数ペア:

[(1, 79740640), (2, 39870320), (4, 19935160), (5, 15948128), (7, 11391520), (8, 9967580), (10, 7974064), (14, 5695760), (16, 4983790), (20, 3987032), (28, 2847880), (32, 2491895), (35, 2278304), (40, 1993516), (49, 1627360), (56, 1423940), (70, 1139152), (80, 996758), (98, 813680), (112, 711970), (140, 569576), (160, 498379), (196, 406840), (224, 355985), (245, 325472), (280, 284788), (343, 232480), (392, 203420), (490, 162736), (560, 142394), (686, 116240), (784, 101710), (980, 81368), (1120, 71197), (1372, 58120), (1453, 54880), (1568, 50855), (1715, 46496), (1960, 40684), (2744, 29060), (2906, 27440), (3430, 23248), (3920, 20342), (5488, 14530), (5812, 13720), (6860, 11624), (7265, 10976), (7840, 10171)]