64398420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5039}}^1$

素因数の和:5125

約数の個数: 72

約数和(自身を含む): 198132480

約数和(自身を除く): 133734060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5039, 6390, 10078, 12780, 15117, 20156, 25195, 30234, 45351, 50390, 60468, 75585, 90702, 100780, 151170, 181404, 226755, 302340, 357769, 453510, 715538, 907020, 1073307, 1431076, 1788845, 2146614, 3219921, 3577690, 4293228, 5366535, 6439842, 7155380, 10733070, 12879684, 16099605, 21466140, 32199210, 64398420]

約数ペア:

[(1, 64398420), (2, 32199210), (3, 21466140), (4, 16099605), (5, 12879684), (6, 10733070), (9, 7155380), (10, 6439842), (12, 5366535), (15, 4293228), (18, 3577690), (20, 3219921), (30, 2146614), (36, 1788845), (45, 1431076), (60, 1073307), (71, 907020), (90, 715538), (142, 453510), (180, 357769), (213, 302340), (284, 226755), (355, 181404), (426, 151170), (639, 100780), (710, 90702), (852, 75585), (1065, 60468), (1278, 50390), (1420, 45351), (2130, 30234), (2556, 25195), (3195, 20156), (4260, 15117), (5039, 12780), (6390, 10078)]