39870320

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1453}}^1$

素因数の和:1487

約数の個数: 80

約数和(自身を含む): 108177600

約数和(自身を除く): 68307280

約数列:

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

約数ペア:

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