181890880

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4339}}^1$

素因数の和:4487

約数の個数: 56

約数和(自身を含む): 436534560

約数和(自身を除く): 254643680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 4339, 5240, 8384, 8678, 10480, 17356, 20960, 21695, 34712, 41920, 43390, 69424, 86780, 138848, 173560, 277696, 347120, 568409, 694240, 1136818, 1388480, 2273636, 2842045, 4547272, 5684090, 9094544, 11368180, 18189088, 22736360, 36378176, 45472720, 90945440, 181890880]

約数ペア:

[(1, 181890880), (2, 90945440), (4, 45472720), (5, 36378176), (8, 22736360), (10, 18189088), (16, 11368180), (20, 9094544), (32, 5684090), (40, 4547272), (64, 2842045), (80, 2273636), (131, 1388480), (160, 1136818), (262, 694240), (320, 568409), (524, 347120), (655, 277696), (1048, 173560), (1310, 138848), (2096, 86780), (2620, 69424), (4192, 43390), (4339, 41920), (5240, 34712), (8384, 21695), (8678, 20960), (10480, 17356)]