195438240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{135721}}^1$

素因数の和:135742

約数の個数: 72

約数和(自身を含む): 666937908

約数和(自身を除く): 471499668

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, 135721, 271442, 407163, 542884, 678605, 814326, 1085768, 1221489, 1357210, 1628652, 2035815, 2171536, 2442978, 2714420, 3257304, 4071630, 4343072, 4885956, 5428840, 6107445, 6514608, 8143260, 9771912, 10857680, 12214890, 13029216, 16286520, 19543824, 21715360, 24429780, 32573040, 39087648, 48859560, 65146080, 97719120, 195438240]

約数ペア:

[(1, 195438240), (2, 97719120), (3, 65146080), (4, 48859560), (5, 39087648), (6, 32573040), (8, 24429780), (9, 21715360), (10, 19543824), (12, 16286520), (15, 13029216), (16, 12214890), (18, 10857680), (20, 9771912), (24, 8143260), (30, 6514608), (32, 6107445), (36, 5428840), (40, 4885956), (45, 4343072), (48, 4071630), (60, 3257304), (72, 2714420), (80, 2442978), (90, 2171536), (96, 2035815), (120, 1628652), (144, 1357210), (160, 1221489), (180, 1085768), (240, 814326), (288, 678605), (360, 542884), (480, 407163), (720, 271442), (1440, 135721)]