27880980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 84524160

約数和(自身を除く): 56643180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 661, 703, 740, 1110, 1140, 1322, 1406, 1983, 2109, 2220, 2644, 2812, 3305, 3515, 3966, 4218, 6610, 7030, 7932, 8436, 9915, 10545, 12559, 13220, 14060, 19830, 21090, 24457, 25118, 37677, 39660, 42180, 48914, 50236, 62795, 73371, 75354, 97828, 122285, 125590, 146742, 150708, 188385, 244570, 251180, 293484, 366855, 376770, 464683, 489140, 733710, 753540, 929366, 1394049, 1467420, 1858732, 2323415, 2788098, 4646830, 5576196, 6970245, 9293660, 13940490, 27880980]

約数ペア:

[(1, 27880980), (2, 13940490), (3, 9293660), (4, 6970245), (5, 5576196), (6, 4646830), (10, 2788098), (12, 2323415), (15, 1858732), (19, 1467420), (20, 1394049), (30, 929366), (37, 753540), (38, 733710), (57, 489140), (60, 464683), (74, 376770), (76, 366855), (95, 293484), (111, 251180), (114, 244570), (148, 188385), (185, 150708), (190, 146742), (222, 125590), (228, 122285), (285, 97828), (370, 75354), (380, 73371), (444, 62795), (555, 50236), (570, 48914), (661, 42180), (703, 39660), (740, 37677), (1110, 25118), (1140, 24457), (1322, 21090), (1406, 19830), (1983, 14060), (2109, 13220), (2220, 12559), (2644, 10545), (2812, 9915), (3305, 8436), (3515, 7932), (3966, 7030), (4218, 6610)]