640092840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7297}}^1$

素因数の和:7371

約数の個数: 128

約数和(自身を含む): 2080805760

約数和(自身を除く): 1440712920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 2040, 2193, 2580, 2924, 3655, 4386, 5160, 5848, 7297, 7310, 8772, 10965, 14594, 14620, 17544, 21891, 21930, 29188, 29240, 36485, 43782, 43860, 58376, 72970, 87564, 87720, 109455, 124049, 145940, 175128, 218910, 248098, 291880, 313771, 372147, 437820, 496196, 620245, 627542, 744294, 875640, 941313, 992392, 1240490, 1255084, 1488588, 1568855, 1860735, 1882626, 2480980, 2510168, 2977176, 3137710, 3721470, 3765252, 4706565, 4961960, 5334107, 6275420, 7442940, 7530504, 9413130, 10668214, 12550840, 14885880, 16002321, 18826260, 21336428, 26670535, 32004642, 37652520, 42672856, 53341070, 64009284, 80011605, 106682140, 128018568, 160023210, 213364280, 320046420, 640092840]

約数ペア:

[(1, 640092840), (2, 320046420), (3, 213364280), (4, 160023210), (5, 128018568), (6, 106682140), (8, 80011605), (10, 64009284), (12, 53341070), (15, 42672856), (17, 37652520), (20, 32004642), (24, 26670535), (30, 21336428), (34, 18826260), (40, 16002321), (43, 14885880), (51, 12550840), (60, 10668214), (68, 9413130), (85, 7530504), (86, 7442940), (102, 6275420), (120, 5334107), (129, 4961960), (136, 4706565), (170, 3765252), (172, 3721470), (204, 3137710), (215, 2977176), (255, 2510168), (258, 2480980), (340, 1882626), (344, 1860735), (408, 1568855), (430, 1488588), (510, 1255084), (516, 1240490), (645, 992392), (680, 941313), (731, 875640), (860, 744294), (1020, 627542), (1032, 620245), (1290, 496196), (1462, 437820), (1720, 372147), (2040, 313771), (2193, 291880), (2580, 248098), (2924, 218910), (3655, 175128), (4386, 145940), (5160, 124049), (5848, 109455), (7297, 87720), (7310, 87564), (8772, 72970), (10965, 58376), (14594, 43860), (14620, 43782), (17544, 36485), (21891, 29240), (21930, 29188)]