661284432

素因数分解:

$2^4\times 3^3\times {\mathrm{719}}^1\times {\mathrm{2129}}^1$

素因数の和:2865

約数の個数: 80

約数和(自身を含む): 1901664000

約数和(自身を除く): 1240379568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 719, 1438, 2129, 2157, 2876, 4258, 4314, 5752, 6387, 6471, 8516, 8628, 11504, 12774, 12942, 17032, 17256, 19161, 19413, 25548, 25884, 34064, 34512, 38322, 38826, 51096, 51768, 57483, 76644, 77652, 102192, 103536, 114966, 153288, 155304, 229932, 306576, 310608, 459864, 919728, 1530751, 3061502, 4592253, 6123004, 9184506, 12246008, 13776759, 18369012, 24492016, 27553518, 36738024, 41330277, 55107036, 73476048, 82660554, 110214072, 165321108, 220428144, 330642216, 661284432]

約数ペア:

[(1, 661284432), (2, 330642216), (3, 220428144), (4, 165321108), (6, 110214072), (8, 82660554), (9, 73476048), (12, 55107036), (16, 41330277), (18, 36738024), (24, 27553518), (27, 24492016), (36, 18369012), (48, 13776759), (54, 12246008), (72, 9184506), (108, 6123004), (144, 4592253), (216, 3061502), (432, 1530751), (719, 919728), (1438, 459864), (2129, 310608), (2157, 306576), (2876, 229932), (4258, 155304), (4314, 153288), (5752, 114966), (6387, 103536), (6471, 102192), (8516, 77652), (8628, 76644), (11504, 57483), (12774, 51768), (12942, 51096), (17032, 38826), (17256, 38322), (19161, 34512), (19413, 34064), (25548, 25884)]