161806980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86993}}^1$

素因数の和:87036

約数の個数: 48

約数和(自身を含む): 467679744

約数和(自身を除く): 305872764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 86993, 173986, 260979, 347972, 434965, 521958, 869930, 1043916, 1304895, 1739860, 2609790, 2696783, 5219580, 5393566, 8090349, 10787132, 13483915, 16180698, 26967830, 32361396, 40451745, 53935660, 80903490, 161806980]

約数ペア:

[(1, 161806980), (2, 80903490), (3, 53935660), (4, 40451745), (5, 32361396), (6, 26967830), (10, 16180698), (12, 13483915), (15, 10787132), (20, 8090349), (30, 5393566), (31, 5219580), (60, 2696783), (62, 2609790), (93, 1739860), (124, 1304895), (155, 1043916), (186, 869930), (310, 521958), (372, 434965), (465, 347972), (620, 260979), (930, 173986), (1860, 86993)]