19530960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4820

約数の個数: 80

約数和(自身を含む): 64120896

約数和(自身を除く): 44589936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4787, 9574, 14361, 19148, 23935, 28722, 38296, 47870, 57444, 71805, 76592, 81379, 95740, 114888, 143610, 162758, 191480, 229776, 244137, 287220, 325516, 382960, 406895, 488274, 574440, 651032, 813790, 976548, 1148880, 1220685, 1302064, 1627580, 1953096, 2441370, 3255160, 3906192, 4882740, 6510320, 9765480, 19530960]

約数ペア:

[(1, 19530960), (2, 9765480), (3, 6510320), (4, 4882740), (5, 3906192), (6, 3255160), (8, 2441370), (10, 1953096), (12, 1627580), (15, 1302064), (16, 1220685), (17, 1148880), (20, 976548), (24, 813790), (30, 651032), (34, 574440), (40, 488274), (48, 406895), (51, 382960), (60, 325516), (68, 287220), (80, 244137), (85, 229776), (102, 191480), (120, 162758), (136, 143610), (170, 114888), (204, 95740), (240, 81379), (255, 76592), (272, 71805), (340, 57444), (408, 47870), (510, 38296), (680, 28722), (816, 23935), (1020, 19148), (1360, 14361), (2040, 9574), (4080, 4787)]