666245360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{6257}}^1$

素因数の和:6303

約数の個数: 80

約数和(自身を含む): 1704078432

約数和(自身を除く): 1037833072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1331, 1936, 2420, 2662, 4840, 5324, 6257, 6655, 9680, 10648, 12514, 13310, 21296, 25028, 26620, 31285, 50056, 53240, 62570, 68827, 100112, 106480, 125140, 137654, 250280, 275308, 344135, 500560, 550616, 688270, 757097, 1101232, 1376540, 1514194, 2753080, 3028388, 3785485, 5506160, 6056776, 7570970, 8328067, 12113552, 15141940, 16656134, 30283880, 33312268, 41640335, 60567760, 66624536, 83280670, 133249072, 166561340, 333122680, 666245360]

約数ペア:

[(1, 666245360), (2, 333122680), (4, 166561340), (5, 133249072), (8, 83280670), (10, 66624536), (11, 60567760), (16, 41640335), (20, 33312268), (22, 30283880), (40, 16656134), (44, 15141940), (55, 12113552), (80, 8328067), (88, 7570970), (110, 6056776), (121, 5506160), (176, 3785485), (220, 3028388), (242, 2753080), (440, 1514194), (484, 1376540), (605, 1101232), (880, 757097), (968, 688270), (1210, 550616), (1331, 500560), (1936, 344135), (2420, 275308), (2662, 250280), (4840, 137654), (5324, 125140), (6257, 106480), (6655, 100112), (9680, 68827), (10648, 62570), (12514, 53240), (13310, 50056), (21296, 31285), (25028, 26620)]