77969360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 219843072

約数和(自身を除く): 141873712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 53, 56, 70, 71, 74, 80, 106, 112, 140, 142, 148, 185, 212, 259, 265, 280, 284, 296, 355, 370, 371, 424, 497, 518, 530, 560, 568, 592, 710, 740, 742, 848, 994, 1036, 1060, 1136, 1295, 1420, 1480, 1484, 1855, 1961, 1988, 2072, 2120, 2485, 2590, 2627, 2840, 2960, 2968, 3710, 3763, 3922, 3976, 4144, 4240, 4970, 5180, 5254, 5680, 5936, 7420, 7526, 7844, 7952, 9805, 9940, 10360, 10508, 13135, 13727, 14840, 15052, 15688, 18389, 18815, 19610, 19880, 20720, 21016, 26270, 26341, 27454, 29680, 30104, 31376, 36778, 37630, 39220, 39760, 42032, 52540, 52682, 54908, 60208, 68635, 73556, 75260, 78440, 91945, 105080, 105364, 109816, 131705, 137270, 139231, 147112, 150520, 156880, 183890, 210160, 210728, 219632, 263410, 274540, 278462, 294224, 301040, 367780, 421456, 526820, 549080, 556924, 696155, 735560, 974617, 1053640, 1098160, 1113848, 1392310, 1471120, 1949234, 2107280, 2227696, 2784620, 3898468, 4873085, 5569240, 7796936, 9746170, 11138480, 15593872, 19492340, 38984680, 77969360]

約数ペア:

[(1, 77969360), (2, 38984680), (4, 19492340), (5, 15593872), (7, 11138480), (8, 9746170), (10, 7796936), (14, 5569240), (16, 4873085), (20, 3898468), (28, 2784620), (35, 2227696), (37, 2107280), (40, 1949234), (53, 1471120), (56, 1392310), (70, 1113848), (71, 1098160), (74, 1053640), (80, 974617), (106, 735560), (112, 696155), (140, 556924), (142, 549080), (148, 526820), (185, 421456), (212, 367780), (259, 301040), (265, 294224), (280, 278462), (284, 274540), (296, 263410), (355, 219632), (370, 210728), (371, 210160), (424, 183890), (497, 156880), (518, 150520), (530, 147112), (560, 139231), (568, 137270), (592, 131705), (710, 109816), (740, 105364), (742, 105080), (848, 91945), (994, 78440), (1036, 75260), (1060, 73556), (1136, 68635), (1295, 60208), (1420, 54908), (1480, 52682), (1484, 52540), (1855, 42032), (1961, 39760), (1988, 39220), (2072, 37630), (2120, 36778), (2485, 31376), (2590, 30104), (2627, 29680), (2840, 27454), (2960, 26341), (2968, 26270), (3710, 21016), (3763, 20720), (3922, 19880), (3976, 19610), (4144, 18815), (4240, 18389), (4970, 15688), (5180, 15052), (5254, 14840), (5680, 13727), (5936, 13135), (7420, 10508), (7526, 10360), (7844, 9940), (7952, 9805)]