78170880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20357}}^1$

素因数の和:20381

約数の個数: 72

約数和(自身を含む): 249670512

約数和(自身を除く): 171499632

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20357, 40714, 61071, 81428, 101785, 122142, 162856, 203570, 244284, 305355, 325712, 407140, 488568, 610710, 651424, 814280, 977136, 1221420, 1302848, 1628560, 1954272, 2442840, 2605696, 3257120, 3908544, 4885680, 5211392, 6514240, 7817088, 9771360, 13028480, 15634176, 19542720, 26056960, 39085440, 78170880]

約数ペア:

[(1, 78170880), (2, 39085440), (3, 26056960), (4, 19542720), (5, 15634176), (6, 13028480), (8, 9771360), (10, 7817088), (12, 6514240), (15, 5211392), (16, 4885680), (20, 3908544), (24, 3257120), (30, 2605696), (32, 2442840), (40, 1954272), (48, 1628560), (60, 1302848), (64, 1221420), (80, 977136), (96, 814280), (120, 651424), (128, 610710), (160, 488568), (192, 407140), (240, 325712), (256, 305355), (320, 244284), (384, 203570), (480, 162856), (640, 122142), (768, 101785), (960, 81428), (1280, 61071), (1920, 40714), (3840, 20357)]