1211804720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{40829}}^1$

素因数の和:40902

約数の個数: 80

約数和(自身を含む): 3280772160

約数和(自身を除く): 2068967440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 14840, 29680, 40829, 81658, 163316, 204145, 285803, 326632, 408290, 571606, 653264, 816580, 1143212, 1429015, 1633160, 2163937, 2286424, 2858030, 3266320, 4327874, 4572848, 5716060, 8655748, 10819685, 11432120, 15147559, 17311496, 21639370, 22864240, 30295118, 34622992, 43278740, 60590236, 75737795, 86557480, 121180472, 151475590, 173114960, 242360944, 302951180, 605902360, 1211804720]

約数ペア:

[(1, 1211804720), (2, 605902360), (4, 302951180), (5, 242360944), (7, 173114960), (8, 151475590), (10, 121180472), (14, 86557480), (16, 75737795), (20, 60590236), (28, 43278740), (35, 34622992), (40, 30295118), (53, 22864240), (56, 21639370), (70, 17311496), (80, 15147559), (106, 11432120), (112, 10819685), (140, 8655748), (212, 5716060), (265, 4572848), (280, 4327874), (371, 3266320), (424, 2858030), (530, 2286424), (560, 2163937), (742, 1633160), (848, 1429015), (1060, 1143212), (1484, 816580), (1855, 653264), (2120, 571606), (2968, 408290), (3710, 326632), (4240, 285803), (5936, 204145), (7420, 163316), (14840, 81658), (29680, 40829)]