171419820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20015

約数の個数: 96

約数和(自身を含む): 563915520

約数和(自身を除く): 392495700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 19979, 39958, 59937, 79916, 99895, 119874, 199790, 219769, 239748, 259727, 299685, 399580, 439538, 519454, 599370, 659307, 779181, 879076, 1038908, 1098845, 1198740, 1298635, 1318614, 1558362, 2197690, 2597270, 2637228, 2856997, 3116724, 3296535, 3895905, 4395380, 5194540, 5713994, 6593070, 7791810, 8570991, 11427988, 13186140, 14284985, 15583620, 17141982, 28569970, 34283964, 42854955, 57139940, 85709910, 171419820]

約数ペア:

[(1, 171419820), (2, 85709910), (3, 57139940), (4, 42854955), (5, 34283964), (6, 28569970), (10, 17141982), (11, 15583620), (12, 14284985), (13, 13186140), (15, 11427988), (20, 8570991), (22, 7791810), (26, 6593070), (30, 5713994), (33, 5194540), (39, 4395380), (44, 3895905), (52, 3296535), (55, 3116724), (60, 2856997), (65, 2637228), (66, 2597270), (78, 2197690), (110, 1558362), (130, 1318614), (132, 1298635), (143, 1198740), (156, 1098845), (165, 1038908), (195, 879076), (220, 779181), (260, 659307), (286, 599370), (330, 519454), (390, 439538), (429, 399580), (572, 299685), (660, 259727), (715, 239748), (780, 219769), (858, 199790), (1430, 119874), (1716, 99895), (2145, 79916), (2860, 59937), (4290, 39958), (8580, 19979)]