278316180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4787}}^1$

素因数の和:4838

約数の個数: 144

約数和(自身を含む): 941129280

約数和(自身を除く): 662813100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3876, 4787, 4845, 5814, 6460, 9574, 9690, 11628, 14361, 14535, 19148, 19380, 23935, 28722, 29070, 43083, 47870, 57444, 58140, 71805, 81379, 86166, 90953, 95740, 143610, 162758, 172332, 181906, 215415, 244137, 272859, 287220, 325516, 363812, 406895, 430830, 454765, 488274, 545718, 732411, 813790, 818577, 861660, 909530, 976548, 1091436, 1220685, 1364295, 1464822, 1546201, 1627580, 1637154, 1819060, 2441370, 2728590, 2929644, 3092402, 3274308, 3662055, 4092885, 4638603, 4882740, 5457180, 6184804, 7324110, 7731005, 8185770, 9277206, 13915809, 14648220, 15462010, 16371540, 18554412, 23193015, 27831618, 30924020, 46386030, 55663236, 69579045, 92772060, 139158090, 278316180]

約数ペア:

[(1, 278316180), (2, 139158090), (3, 92772060), (4, 69579045), (5, 55663236), (6, 46386030), (9, 30924020), (10, 27831618), (12, 23193015), (15, 18554412), (17, 16371540), (18, 15462010), (19, 14648220), (20, 13915809), (30, 9277206), (34, 8185770), (36, 7731005), (38, 7324110), (45, 6184804), (51, 5457180), (57, 4882740), (60, 4638603), (68, 4092885), (76, 3662055), (85, 3274308), (90, 3092402), (95, 2929644), (102, 2728590), (114, 2441370), (153, 1819060), (170, 1637154), (171, 1627580), (180, 1546201), (190, 1464822), (204, 1364295), (228, 1220685), (255, 1091436), (285, 976548), (306, 909530), (323, 861660), (340, 818577), (342, 813790), (380, 732411), (510, 545718), (570, 488274), (612, 454765), (646, 430830), (684, 406895), (765, 363812), (855, 325516), (969, 287220), (1020, 272859), (1140, 244137), (1292, 215415), (1530, 181906), (1615, 172332), (1710, 162758), (1938, 143610), (2907, 95740), (3060, 90953), (3230, 86166), (3420, 81379), (3876, 71805), (4787, 58140), (4845, 57444), (5814, 47870), (6460, 43083), (9574, 29070), (9690, 28722), (11628, 23935), (14361, 19380), (14535, 19148)]