11680920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 38581920

約数和(自身を除く): 26901000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 457, 568, 639, 710, 852, 914, 1065, 1278, 1371, 1420, 1704, 1828, 2130, 2285, 2556, 2742, 2840, 3195, 3656, 4113, 4260, 4570, 5112, 5484, 6390, 6855, 8226, 8520, 9140, 10968, 12780, 13710, 16452, 18280, 20565, 25560, 27420, 32447, 32904, 41130, 54840, 64894, 82260, 97341, 129788, 162235, 164520, 194682, 259576, 292023, 324470, 389364, 486705, 584046, 648940, 778728, 973410, 1168092, 1297880, 1460115, 1946820, 2336184, 2920230, 3893640, 5840460, 11680920]

約数ペア:

[(1, 11680920), (2, 5840460), (3, 3893640), (4, 2920230), (5, 2336184), (6, 1946820), (8, 1460115), (9, 1297880), (10, 1168092), (12, 973410), (15, 778728), (18, 648940), (20, 584046), (24, 486705), (30, 389364), (36, 324470), (40, 292023), (45, 259576), (60, 194682), (71, 164520), (72, 162235), (90, 129788), (120, 97341), (142, 82260), (180, 64894), (213, 54840), (284, 41130), (355, 32904), (360, 32447), (426, 27420), (457, 25560), (568, 20565), (639, 18280), (710, 16452), (852, 13710), (914, 12780), (1065, 10968), (1278, 9140), (1371, 8520), (1420, 8226), (1704, 6855), (1828, 6390), (2130, 5484), (2285, 5112), (2556, 4570), (2742, 4260), (2840, 4113), (3195, 3656)]