12540840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8066

約数の個数: 64

約数和(自身を含む): 40521600

約数和(自身を除く): 27980760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 8039, 16078, 24117, 32156, 40195, 48234, 64312, 80390, 96468, 104507, 120585, 160780, 192936, 209014, 241170, 313521, 321560, 418028, 482340, 522535, 627042, 836056, 964680, 1045070, 1254084, 1567605, 2090140, 2508168, 3135210, 4180280, 6270420, 12540840]

約数ペア:

[(1, 12540840), (2, 6270420), (3, 4180280), (4, 3135210), (5, 2508168), (6, 2090140), (8, 1567605), (10, 1254084), (12, 1045070), (13, 964680), (15, 836056), (20, 627042), (24, 522535), (26, 482340), (30, 418028), (39, 321560), (40, 313521), (52, 241170), (60, 209014), (65, 192936), (78, 160780), (104, 120585), (120, 104507), (130, 96468), (156, 80390), (195, 64312), (260, 48234), (312, 40195), (390, 32156), (520, 24117), (780, 16078), (1560, 8039)]