645282144

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{172351}}^1$

素因数の和:172380

約数の個数: 72

約数和(自身を含む): 1976188032

約数和(自身を除く): 1330905888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 172351, 344702, 517053, 689404, 1034106, 1378808, 1551159, 2068212, 2240563, 2757616, 3102318, 4136424, 4481126, 5515232, 6204636, 6721689, 8272848, 8962252, 12409272, 13443378, 16545696, 17924504, 20165067, 24818544, 26886756, 35849008, 40330134, 49637088, 53773512, 71698016, 80660268, 107547024, 161320536, 215094048, 322641072, 645282144]

約数ペア:

[(1, 645282144), (2, 322641072), (3, 215094048), (4, 161320536), (6, 107547024), (8, 80660268), (9, 71698016), (12, 53773512), (13, 49637088), (16, 40330134), (18, 35849008), (24, 26886756), (26, 24818544), (32, 20165067), (36, 17924504), (39, 16545696), (48, 13443378), (52, 12409272), (72, 8962252), (78, 8272848), (96, 6721689), (104, 6204636), (117, 5515232), (144, 4481126), (156, 4136424), (208, 3102318), (234, 2757616), (288, 2240563), (312, 2068212), (416, 1551159), (468, 1378808), (624, 1034106), (936, 689404), (1248, 517053), (1872, 344702), (3744, 172351)]