215621760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{112303}}^1$

素因数の和:112325

約数の個数: 64

約数和(自身を含む): 687300480

約数和(自身を除く): 471678720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 112303, 224606, 336909, 449212, 561515, 673818, 898424, 1123030, 1347636, 1684545, 1796848, 2246060, 2695272, 3369090, 3593696, 4492120, 5390544, 6738180, 7187392, 8984240, 10781088, 13476360, 14374784, 17968480, 21562176, 26952720, 35936960, 43124352, 53905440, 71873920, 107810880, 215621760]

約数ペア:

[(1, 215621760), (2, 107810880), (3, 71873920), (4, 53905440), (5, 43124352), (6, 35936960), (8, 26952720), (10, 21562176), (12, 17968480), (15, 14374784), (16, 13476360), (20, 10781088), (24, 8984240), (30, 7187392), (32, 6738180), (40, 5390544), (48, 4492120), (60, 3593696), (64, 3369090), (80, 2695272), (96, 2246060), (120, 1796848), (128, 1684545), (160, 1347636), (192, 1123030), (240, 898424), (320, 673818), (384, 561515), (480, 449212), (640, 336909), (960, 224606), (1920, 112303)]