155193920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:980

約数の個数: 112

約数和(自身を含む): 428183040

約数和(自身を除く): 272989120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 790, 877, 1106, 1120, 1264, 1580, 1754, 2212, 2240, 2528, 2765, 3160, 3508, 4385, 4424, 5056, 5530, 6139, 6320, 7016, 8770, 8848, 11060, 12278, 12640, 14032, 17540, 17696, 22120, 24556, 25280, 28064, 30695, 35080, 35392, 44240, 49112, 56128, 61390, 69283, 70160, 88480, 98224, 122780, 138566, 140320, 176960, 196448, 245560, 277132, 280640, 346415, 392896, 484981, 491120, 554264, 692830, 969962, 982240, 1108528, 1385660, 1939924, 1964480, 2217056, 2424905, 2771320, 3879848, 4434112, 4849810, 5542640, 7759696, 9699620, 11085280, 15519392, 19399240, 22170560, 31038784, 38798480, 77596960, 155193920]

約数ペア:

[(1, 155193920), (2, 77596960), (4, 38798480), (5, 31038784), (7, 22170560), (8, 19399240), (10, 15519392), (14, 11085280), (16, 9699620), (20, 7759696), (28, 5542640), (32, 4849810), (35, 4434112), (40, 3879848), (56, 2771320), (64, 2424905), (70, 2217056), (79, 1964480), (80, 1939924), (112, 1385660), (140, 1108528), (158, 982240), (160, 969962), (224, 692830), (280, 554264), (316, 491120), (320, 484981), (395, 392896), (448, 346415), (553, 280640), (560, 277132), (632, 245560), (790, 196448), (877, 176960), (1106, 140320), (1120, 138566), (1264, 122780), (1580, 98224), (1754, 88480), (2212, 70160), (2240, 69283), (2528, 61390), (2765, 56128), (3160, 49112), (3508, 44240), (4385, 35392), (4424, 35080), (5056, 30695), (5530, 28064), (6139, 25280), (6320, 24556), (7016, 22120), (8770, 17696), (8848, 17540), (11060, 14032), (12278, 12640)]