27801180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 144

約数和(自身を含む): 96969600

約数和(自身を除く): 69168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 739, 836, 855, 990, 1045, 1140, 1254, 1478, 1710, 1881, 1980, 2090, 2217, 2508, 2956, 3135, 3420, 3695, 3762, 4180, 4434, 6270, 6651, 7390, 7524, 8129, 8868, 9405, 11085, 12540, 13302, 14041, 14780, 16258, 18810, 22170, 24387, 26604, 28082, 32516, 33255, 37620, 40645, 42123, 44340, 48774, 56164, 66510, 70205, 73161, 81290, 84246, 97548, 121935, 126369, 133020, 140410, 146322, 154451, 162580, 168492, 210615, 243870, 252738, 280820, 292644, 308902, 365805, 421230, 463353, 487740, 505476, 617804, 631845, 731610, 772255, 842460, 926706, 1263690, 1390059, 1463220, 1544510, 1853412, 2316765, 2527380, 2780118, 3089020, 4633530, 5560236, 6950295, 9267060, 13900590, 27801180]

約数ペア:

[(1, 27801180), (2, 13900590), (3, 9267060), (4, 6950295), (5, 5560236), (6, 4633530), (9, 3089020), (10, 2780118), (11, 2527380), (12, 2316765), (15, 1853412), (18, 1544510), (19, 1463220), (20, 1390059), (22, 1263690), (30, 926706), (33, 842460), (36, 772255), (38, 731610), (44, 631845), (45, 617804), (55, 505476), (57, 487740), (60, 463353), (66, 421230), (76, 365805), (90, 308902), (95, 292644), (99, 280820), (110, 252738), (114, 243870), (132, 210615), (165, 168492), (171, 162580), (180, 154451), (190, 146322), (198, 140410), (209, 133020), (220, 126369), (228, 121935), (285, 97548), (330, 84246), (342, 81290), (380, 73161), (396, 70205), (418, 66510), (495, 56164), (570, 48774), (627, 44340), (660, 42123), (684, 40645), (739, 37620), (836, 33255), (855, 32516), (990, 28082), (1045, 26604), (1140, 24387), (1254, 22170), (1478, 18810), (1710, 16258), (1881, 14780), (1980, 14041), (2090, 13302), (2217, 12540), (2508, 11085), (2956, 9405), (3135, 8868), (3420, 8129), (3695, 7524), (3762, 7390), (4180, 6651), (4434, 6270)]