128132060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7691}}^1$

素因数の和:7731

約数の個数: 72

約数和(自身を含む): 331463664

約数和(自身を除く): 203331604

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 7691, 8330, 15382, 16660, 30764, 38455, 53837, 76910, 107674, 130747, 153820, 215348, 261494, 269185, 376859, 522988, 538370, 653735, 753718, 915229, 1076740, 1307470, 1507436, 1830458, 1884295, 2614940, 3660916, 3768590, 4576145, 6406603, 7537180, 9152290, 12813206, 18304580, 25626412, 32033015, 64066030, 128132060]

約数ペア:

[(1, 128132060), (2, 64066030), (4, 32033015), (5, 25626412), (7, 18304580), (10, 12813206), (14, 9152290), (17, 7537180), (20, 6406603), (28, 4576145), (34, 3768590), (35, 3660916), (49, 2614940), (68, 1884295), (70, 1830458), (85, 1507436), (98, 1307470), (119, 1076740), (140, 915229), (170, 753718), (196, 653735), (238, 538370), (245, 522988), (340, 376859), (476, 269185), (490, 261494), (595, 215348), (833, 153820), (980, 130747), (1190, 107674), (1666, 76910), (2380, 53837), (3332, 38455), (4165, 30764), (7691, 16660), (8330, 15382)]