2152640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:86

約数の個数: 84

約数和(自身を含む): 6053328

約数和(自身を除く): 3900688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 961, 992, 1085, 1120, 1240, 1736, 1922, 1984, 2170, 2240, 2480, 3472, 3844, 4340, 4805, 4960, 6727, 6944, 7688, 8680, 9610, 9920, 13454, 13888, 15376, 17360, 19220, 26908, 30752, 33635, 34720, 38440, 53816, 61504, 67270, 69440, 76880, 107632, 134540, 153760, 215264, 269080, 307520, 430528, 538160, 1076320, 2152640]

約数ペア:

[(1, 2152640), (2, 1076320), (4, 538160), (5, 430528), (7, 307520), (8, 269080), (10, 215264), (14, 153760), (16, 134540), (20, 107632), (28, 76880), (31, 69440), (32, 67270), (35, 61504), (40, 53816), (56, 38440), (62, 34720), (64, 33635), (70, 30752), (80, 26908), (112, 19220), (124, 17360), (140, 15376), (155, 13888), (160, 13454), (217, 9920), (224, 9610), (248, 8680), (280, 7688), (310, 6944), (320, 6727), (434, 4960), (448, 4805), (496, 4340), (560, 3844), (620, 3472), (868, 2480), (961, 2240), (992, 2170), (1085, 1984), (1120, 1922), (1240, 1736)]