64778880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{33739}}^1$

素因数の和:33761

約数の個数: 64

約数和(自身を含む): 206488800

約数和(自身を除く): 141709920

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, 33739, 67478, 101217, 134956, 168695, 202434, 269912, 337390, 404868, 506085, 539824, 674780, 809736, 1012170, 1079648, 1349560, 1619472, 2024340, 2159296, 2699120, 3238944, 4048680, 4318592, 5398240, 6477888, 8097360, 10796480, 12955776, 16194720, 21592960, 32389440, 64778880]

約数ペア:

[(1, 64778880), (2, 32389440), (3, 21592960), (4, 16194720), (5, 12955776), (6, 10796480), (8, 8097360), (10, 6477888), (12, 5398240), (15, 4318592), (16, 4048680), (20, 3238944), (24, 2699120), (30, 2159296), (32, 2024340), (40, 1619472), (48, 1349560), (60, 1079648), (64, 1012170), (80, 809736), (96, 674780), (120, 539824), (128, 506085), (160, 404868), (192, 337390), (240, 269912), (320, 202434), (384, 168695), (480, 134956), (640, 101217), (960, 67478), (1920, 33739)]