64775520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{44983}}^1$

素因数の和:45004

約数の個数: 72

約数和(自身を含む): 221051376

約数和(自身を除く): 156275856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 44983, 89966, 134949, 179932, 224915, 269898, 359864, 404847, 449830, 539796, 674745, 719728, 809694, 899660, 1079592, 1349490, 1439456, 1619388, 1799320, 2024235, 2159184, 2698980, 3238776, 3598640, 4048470, 4318368, 5397960, 6477552, 7197280, 8096940, 10795920, 12955104, 16193880, 21591840, 32387760, 64775520]

約数ペア:

[(1, 64775520), (2, 32387760), (3, 21591840), (4, 16193880), (5, 12955104), (6, 10795920), (8, 8096940), (9, 7197280), (10, 6477552), (12, 5397960), (15, 4318368), (16, 4048470), (18, 3598640), (20, 3238776), (24, 2698980), (30, 2159184), (32, 2024235), (36, 1799320), (40, 1619388), (45, 1439456), (48, 1349490), (60, 1079592), (72, 899660), (80, 809694), (90, 719728), (96, 674745), (120, 539796), (144, 449830), (160, 404847), (180, 359864), (240, 269898), (288, 224915), (360, 179932), (480, 134949), (720, 89966), (1440, 44983)]