161819740760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3391}}^1\times {\mathrm{70177}}^1$

素因数の和:73596

約数の個数: 64

約数和(自身を含む): 385630917120

約数和(自身を除く): 223811176360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3391, 6782, 13564, 16955, 27128, 33910, 57647, 67820, 70177, 115294, 135640, 140354, 230588, 280708, 288235, 350885, 461176, 561416, 576470, 701770, 1152940, 1193009, 1403540, 2305880, 2386018, 2807080, 4772036, 5965045, 9544072, 11930090, 23860180, 47720360, 237970207, 475940414, 951880828, 1189851035, 1903761656, 2379702070, 4045493519, 4759404140, 8090987038, 9518808280, 16181974076, 20227467595, 32363948152, 40454935190, 80909870380, 161819740760]

約数ペア:

[(1, 161819740760), (2, 80909870380), (4, 40454935190), (5, 32363948152), (8, 20227467595), (10, 16181974076), (17, 9518808280), (20, 8090987038), (34, 4759404140), (40, 4045493519), (68, 2379702070), (85, 1903761656), (136, 1189851035), (170, 951880828), (340, 475940414), (680, 237970207), (3391, 47720360), (6782, 23860180), (13564, 11930090), (16955, 9544072), (27128, 5965045), (33910, 4772036), (57647, 2807080), (67820, 2386018), (70177, 2305880), (115294, 1403540), (135640, 1193009), (140354, 1152940), (230588, 701770), (280708, 576470), (288235, 561416), (350885, 461176)]