31309080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23719}}^1$

素因数の和:23744

約数の個数: 64

約数和(自身を含む): 102470400

約数和(自身を除く): 71161320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 23719, 47438, 71157, 94876, 118595, 142314, 189752, 237190, 260909, 284628, 355785, 474380, 521818, 569256, 711570, 782727, 948760, 1043636, 1304545, 1423140, 1565454, 2087272, 2609090, 2846280, 3130908, 3913635, 5218180, 6261816, 7827270, 10436360, 15654540, 31309080]

約数ペア:

[(1, 31309080), (2, 15654540), (3, 10436360), (4, 7827270), (5, 6261816), (6, 5218180), (8, 3913635), (10, 3130908), (11, 2846280), (12, 2609090), (15, 2087272), (20, 1565454), (22, 1423140), (24, 1304545), (30, 1043636), (33, 948760), (40, 782727), (44, 711570), (55, 569256), (60, 521818), (66, 474380), (88, 355785), (110, 284628), (120, 260909), (132, 237190), (165, 189752), (220, 142314), (264, 118595), (330, 94876), (440, 71157), (660, 47438), (1320, 23719)]