72879120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101221}}^1$

素因数の和:101240

約数の個数: 60

約数和(自身を含む): 244754796

約数和(自身を除く): 171875676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 101221, 202442, 303663, 404884, 506105, 607326, 809768, 910989, 1012210, 1214652, 1518315, 1619536, 1821978, 2024420, 2429304, 3036630, 3643956, 4048840, 4554945, 4858608, 6073260, 7287912, 8097680, 9109890, 12146520, 14575824, 18219780, 24293040, 36439560, 72879120]

約数ペア:

[(1, 72879120), (2, 36439560), (3, 24293040), (4, 18219780), (5, 14575824), (6, 12146520), (8, 9109890), (9, 8097680), (10, 7287912), (12, 6073260), (15, 4858608), (16, 4554945), (18, 4048840), (20, 3643956), (24, 3036630), (30, 2429304), (36, 2024420), (40, 1821978), (45, 1619536), (48, 1518315), (60, 1214652), (72, 1012210), (80, 910989), (90, 809768), (120, 607326), (144, 506105), (180, 404884), (240, 303663), (360, 202442), (720, 101221)]