31290560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 112

約数和(自身を含む): 86928960

約数和(自身を除く): 55638400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 229, 244, 280, 305, 320, 427, 448, 458, 488, 560, 610, 854, 916, 976, 1120, 1145, 1220, 1603, 1708, 1832, 1952, 2135, 2240, 2290, 2440, 3206, 3416, 3664, 3904, 4270, 4580, 4880, 6412, 6832, 7328, 8015, 8540, 9160, 9760, 12824, 13664, 13969, 14656, 16030, 17080, 18320, 19520, 25648, 27328, 27938, 32060, 34160, 36640, 51296, 55876, 64120, 68320, 69845, 73280, 97783, 102592, 111752, 128240, 136640, 139690, 195566, 223504, 256480, 279380, 391132, 447008, 488915, 512960, 558760, 782264, 894016, 977830, 1117520, 1564528, 1955660, 2235040, 3129056, 3911320, 4470080, 6258112, 7822640, 15645280, 31290560]

約数ペア:

[(1, 31290560), (2, 15645280), (4, 7822640), (5, 6258112), (7, 4470080), (8, 3911320), (10, 3129056), (14, 2235040), (16, 1955660), (20, 1564528), (28, 1117520), (32, 977830), (35, 894016), (40, 782264), (56, 558760), (61, 512960), (64, 488915), (70, 447008), (80, 391132), (112, 279380), (122, 256480), (140, 223504), (160, 195566), (224, 139690), (229, 136640), (244, 128240), (280, 111752), (305, 102592), (320, 97783), (427, 73280), (448, 69845), (458, 68320), (488, 64120), (560, 55876), (610, 51296), (854, 36640), (916, 34160), (976, 32060), (1120, 27938), (1145, 27328), (1220, 25648), (1603, 19520), (1708, 18320), (1832, 17080), (1952, 16030), (2135, 14656), (2240, 13969), (2290, 13664), (2440, 12824), (3206, 9760), (3416, 9160), (3664, 8540), (3904, 8015), (4270, 7328), (4580, 6832), (4880, 6412)]