1257857880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{616597}}^1$

素因数の和:616628

約数の個数: 64

約数和(自身を含む): 3995555040

約数和(自身を除く): 2737697160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 616597, 1233194, 1849791, 2466388, 3082985, 3699582, 4932776, 6165970, 7399164, 9248955, 10482149, 12331940, 14798328, 18497910, 20964298, 24663880, 31446447, 36995820, 41928596, 52410745, 62892894, 73991640, 83857192, 104821490, 125785788, 157232235, 209642980, 251571576, 314464470, 419285960, 628928940, 1257857880]

約数ペア:

[(1, 1257857880), (2, 628928940), (3, 419285960), (4, 314464470), (5, 251571576), (6, 209642980), (8, 157232235), (10, 125785788), (12, 104821490), (15, 83857192), (17, 73991640), (20, 62892894), (24, 52410745), (30, 41928596), (34, 36995820), (40, 31446447), (51, 24663880), (60, 20964298), (68, 18497910), (85, 14798328), (102, 12331940), (120, 10482149), (136, 9248955), (170, 7399164), (204, 6165970), (255, 4932776), (340, 3699582), (408, 3082985), (510, 2466388), (680, 1849791), (1020, 1233194), (2040, 616597)]