80639790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4987}}^1$

素因数の和:5022

約数の個数: 96

約数和(自身を含む): 245649024

約数和(自身を除く): 165009234

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 165, 210, 231, 245, 294, 330, 385, 462, 490, 539, 735, 770, 1078, 1155, 1470, 1617, 2310, 2695, 3234, 4987, 5390, 8085, 9974, 14961, 16170, 24935, 29922, 34909, 49870, 54857, 69818, 74805, 104727, 109714, 149610, 164571, 174545, 209454, 244363, 274285, 329142, 349090, 383999, 488726, 523635, 548570, 733089, 767998, 822855, 1047270, 1151997, 1221815, 1466178, 1645710, 1919995, 2303994, 2443630, 2687993, 3665445, 3839990, 5375986, 5759985, 7330890, 8063979, 11519970, 13439965, 16127958, 26879930, 40319895, 80639790]

約数ペア:

[(1, 80639790), (2, 40319895), (3, 26879930), (5, 16127958), (6, 13439965), (7, 11519970), (10, 8063979), (11, 7330890), (14, 5759985), (15, 5375986), (21, 3839990), (22, 3665445), (30, 2687993), (33, 2443630), (35, 2303994), (42, 1919995), (49, 1645710), (55, 1466178), (66, 1221815), (70, 1151997), (77, 1047270), (98, 822855), (105, 767998), (110, 733089), (147, 548570), (154, 523635), (165, 488726), (210, 383999), (231, 349090), (245, 329142), (294, 274285), (330, 244363), (385, 209454), (462, 174545), (490, 164571), (539, 149610), (735, 109714), (770, 104727), (1078, 74805), (1155, 69818), (1470, 54857), (1617, 49870), (2310, 34909), (2695, 29922), (3234, 24935), (4987, 16170), (5390, 14961), (8085, 9974)]