72820990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 151165440

約数和(自身を除く): 78344450

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 107, 110, 115, 214, 230, 253, 269, 506, 535, 538, 1070, 1177, 1265, 1345, 2354, 2461, 2530, 2690, 2959, 4922, 5885, 5918, 6187, 11770, 12305, 12374, 14795, 24610, 27071, 28783, 29590, 30935, 54142, 57566, 61870, 68057, 135355, 136114, 143915, 270710, 287830, 316613, 340285, 633226, 662009, 680570, 1324018, 1583065, 3166130, 3310045, 6620090, 7282099, 14564198, 36410495, 72820990]

約数ペア:

[(1, 72820990), (2, 36410495), (5, 14564198), (10, 7282099), (11, 6620090), (22, 3310045), (23, 3166130), (46, 1583065), (55, 1324018), (107, 680570), (110, 662009), (115, 633226), (214, 340285), (230, 316613), (253, 287830), (269, 270710), (506, 143915), (535, 136114), (538, 135355), (1070, 68057), (1177, 61870), (1265, 57566), (1345, 54142), (2354, 30935), (2461, 29590), (2530, 28783), (2690, 27071), (2959, 24610), (4922, 14795), (5885, 12374), (5918, 12305), (6187, 11770)]