2912479160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{8011}}^1$

素因数の和:8232

約数の個数: 64

約数和(自身を含む): 6706044000

約数和(自身を除く): 3793564840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 244, 298, 305, 488, 596, 610, 745, 1192, 1220, 1490, 2440, 2980, 5960, 8011, 9089, 16022, 18178, 32044, 36356, 40055, 45445, 64088, 72712, 80110, 90890, 160220, 181780, 320440, 363560, 488671, 977342, 1193639, 1954684, 2387278, 2443355, 3909368, 4774556, 4886710, 5968195, 9549112, 9773420, 11936390, 19546840, 23872780, 47745560, 72811979, 145623958, 291247916, 364059895, 582495832, 728119790, 1456239580, 2912479160]

約数ペア:

[(1, 2912479160), (2, 1456239580), (4, 728119790), (5, 582495832), (8, 364059895), (10, 291247916), (20, 145623958), (40, 72811979), (61, 47745560), (122, 23872780), (149, 19546840), (244, 11936390), (298, 9773420), (305, 9549112), (488, 5968195), (596, 4886710), (610, 4774556), (745, 3909368), (1192, 2443355), (1220, 2387278), (1490, 1954684), (2440, 1193639), (2980, 977342), (5960, 488671), (8011, 363560), (9089, 320440), (16022, 181780), (18178, 160220), (32044, 90890), (36356, 80110), (40055, 72712), (45445, 64088)]