1995754880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5639}}^1$

素因数の和:5744

約数の個数: 128

約数和(自身を含む): 5522688000

約数和(自身を除く): 3526933120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 896, 1106, 1120, 1264, 1580, 2212, 2240, 2528, 2765, 3160, 4424, 4480, 5056, 5530, 5639, 6320, 8848, 10112, 11060, 11278, 12640, 17696, 22120, 22556, 25280, 28195, 35392, 39473, 44240, 45112, 50560, 56390, 70784, 78946, 88480, 90224, 112780, 157892, 176960, 180448, 197365, 225560, 315784, 353920, 360896, 394730, 445481, 451120, 631568, 721792, 789460, 890962, 902240, 1263136, 1578920, 1781924, 1804480, 2227405, 2526272, 3118367, 3157840, 3563848, 3608960, 4454810, 5052544, 6236734, 6315680, 7127696, 8909620, 12473468, 12631360, 14255392, 15591835, 17819240, 24946936, 25262720, 28510784, 31183670, 35638480, 49893872, 57021568, 62367340, 71276960, 99787744, 124734680, 142553920, 199575488, 249469360, 285107840, 399150976, 498938720, 997877440, 1995754880]

約数ペア:

[(1, 1995754880), (2, 997877440), (4, 498938720), (5, 399150976), (7, 285107840), (8, 249469360), (10, 199575488), (14, 142553920), (16, 124734680), (20, 99787744), (28, 71276960), (32, 62367340), (35, 57021568), (40, 49893872), (56, 35638480), (64, 31183670), (70, 28510784), (79, 25262720), (80, 24946936), (112, 17819240), (128, 15591835), (140, 14255392), (158, 12631360), (160, 12473468), (224, 8909620), (280, 7127696), (316, 6315680), (320, 6236734), (395, 5052544), (448, 4454810), (553, 3608960), (560, 3563848), (632, 3157840), (640, 3118367), (790, 2526272), (896, 2227405), (1106, 1804480), (1120, 1781924), (1264, 1578920), (1580, 1263136), (2212, 902240), (2240, 890962), (2528, 789460), (2765, 721792), (3160, 631568), (4424, 451120), (4480, 445481), (5056, 394730), (5530, 360896), (5639, 353920), (6320, 315784), (8848, 225560), (10112, 197365), (11060, 180448), (11278, 176960), (12640, 157892), (17696, 112780), (22120, 90224), (22556, 88480), (25280, 78946), (28195, 70784), (35392, 56390), (39473, 50560), (44240, 45112)]