27981810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 76826880

約数和(自身を除く): 48845070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 71, 87, 90, 142, 145, 151, 174, 213, 261, 290, 302, 355, 426, 435, 453, 522, 639, 710, 755, 870, 906, 1065, 1278, 1305, 1359, 1510, 2059, 2130, 2265, 2610, 2718, 3195, 4118, 4379, 4530, 6177, 6390, 6795, 8758, 10295, 10721, 12354, 13137, 13590, 18531, 20590, 21442, 21895, 26274, 30885, 32163, 37062, 39411, 43790, 53605, 61770, 64326, 65685, 78822, 92655, 96489, 107210, 131370, 160815, 185310, 192978, 197055, 310909, 321630, 394110, 482445, 621818, 932727, 964890, 1554545, 1865454, 2798181, 3109090, 4663635, 5596362, 9327270, 13990905, 27981810]

約数ペア:

[(1, 27981810), (2, 13990905), (3, 9327270), (5, 5596362), (6, 4663635), (9, 3109090), (10, 2798181), (15, 1865454), (18, 1554545), (29, 964890), (30, 932727), (45, 621818), (58, 482445), (71, 394110), (87, 321630), (90, 310909), (142, 197055), (145, 192978), (151, 185310), (174, 160815), (213, 131370), (261, 107210), (290, 96489), (302, 92655), (355, 78822), (426, 65685), (435, 64326), (453, 61770), (522, 53605), (639, 43790), (710, 39411), (755, 37062), (870, 32163), (906, 30885), (1065, 26274), (1278, 21895), (1305, 21442), (1359, 20590), (1510, 18531), (2059, 13590), (2130, 13137), (2265, 12354), (2610, 10721), (2718, 10295), (3195, 8758), (4118, 6795), (4379, 6390), (4530, 6177)]