31301790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1073

約数の個数: 64

約数和(自身を含む): 81962496

約数和(自身を除く): 50660706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 830, 967, 1079, 1245, 1934, 2158, 2490, 2901, 3237, 4835, 5395, 5802, 6474, 9670, 10790, 12571, 14505, 16185, 25142, 29010, 32370, 37713, 62855, 75426, 80261, 125710, 160522, 188565, 240783, 377130, 401305, 481566, 802610, 1043393, 1203915, 2086786, 2407830, 3130179, 5216965, 6260358, 10433930, 15650895, 31301790]

約数ペア:

[(1, 31301790), (2, 15650895), (3, 10433930), (5, 6260358), (6, 5216965), (10, 3130179), (13, 2407830), (15, 2086786), (26, 1203915), (30, 1043393), (39, 802610), (65, 481566), (78, 401305), (83, 377130), (130, 240783), (166, 188565), (195, 160522), (249, 125710), (390, 80261), (415, 75426), (498, 62855), (830, 37713), (967, 32370), (1079, 29010), (1245, 25142), (1934, 16185), (2158, 14505), (2490, 12571), (2901, 10790), (3237, 9670), (4835, 6474), (5395, 5802)]