71395480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 184504320

約数和(自身を除く): 113108840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 103, 104, 124, 130, 155, 172, 206, 215, 248, 260, 310, 344, 403, 412, 430, 515, 520, 559, 620, 806, 824, 860, 1030, 1118, 1240, 1333, 1339, 1612, 1720, 2015, 2060, 2236, 2666, 2678, 2795, 3193, 3224, 4030, 4120, 4429, 4472, 5332, 5356, 5590, 6386, 6665, 6695, 8060, 8858, 10664, 10712, 11180, 12772, 13330, 13390, 15965, 16120, 17329, 17716, 22145, 22360, 25544, 26660, 26780, 31930, 34658, 35432, 41509, 44290, 53320, 53560, 57577, 63860, 69316, 83018, 86645, 88580, 115154, 127720, 137299, 138632, 166036, 173290, 177160, 207545, 230308, 274598, 287885, 332072, 346580, 415090, 460616, 549196, 575770, 686495, 693160, 830180, 1098392, 1151540, 1372990, 1660360, 1784887, 2303080, 2745980, 3569774, 5491960, 7139548, 8924435, 14279096, 17848870, 35697740, 71395480]

約数ペア:

[(1, 71395480), (2, 35697740), (4, 17848870), (5, 14279096), (8, 8924435), (10, 7139548), (13, 5491960), (20, 3569774), (26, 2745980), (31, 2303080), (40, 1784887), (43, 1660360), (52, 1372990), (62, 1151540), (65, 1098392), (86, 830180), (103, 693160), (104, 686495), (124, 575770), (130, 549196), (155, 460616), (172, 415090), (206, 346580), (215, 332072), (248, 287885), (260, 274598), (310, 230308), (344, 207545), (403, 177160), (412, 173290), (430, 166036), (515, 138632), (520, 137299), (559, 127720), (620, 115154), (806, 88580), (824, 86645), (860, 83018), (1030, 69316), (1118, 63860), (1240, 57577), (1333, 53560), (1339, 53320), (1612, 44290), (1720, 41509), (2015, 35432), (2060, 34658), (2236, 31930), (2666, 26780), (2678, 26660), (2795, 25544), (3193, 22360), (3224, 22145), (4030, 17716), (4120, 17329), (4429, 16120), (4472, 15965), (5332, 13390), (5356, 13330), (5590, 12772), (6386, 11180), (6665, 10712), (6695, 10664), (8060, 8858)]