648780720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9419}}^1$

素因数の和:9483

約数の個数: 160

約数和(自身を含む): 2354849280

約数和(自身を除く): 1706068560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3444, 4305, 4592, 4920, 5740, 6888, 8610, 9419, 9840, 11480, 13776, 17220, 18838, 22960, 28257, 34440, 37676, 47095, 56514, 65933, 68880, 75352, 94190, 113028, 131866, 141285, 150704, 188380, 197799, 226056, 263732, 282570, 329665, 376760, 386179, 395598, 452112, 527464, 565140, 659330, 753520, 772358, 791196, 988995, 1054928, 1130280, 1158537, 1318660, 1544716, 1582392, 1930895, 1977990, 2260560, 2317074, 2637320, 2703253, 3089432, 3164784, 3861790, 3955980, 4634148, 5274640, 5406506, 5792685, 6178864, 7723580, 7911960, 8109759, 9268296, 10813012, 11585370, 13516265, 15447160, 15823920, 16219518, 18536592, 21626024, 23170740, 27032530, 30894320, 32439036, 40548795, 43252048, 46341480, 54065060, 64878072, 81097590, 92682960, 108130120, 129756144, 162195180, 216260240, 324390360, 648780720]

約数ペア:

[(1, 648780720), (2, 324390360), (3, 216260240), (4, 162195180), (5, 129756144), (6, 108130120), (7, 92682960), (8, 81097590), (10, 64878072), (12, 54065060), (14, 46341480), (15, 43252048), (16, 40548795), (20, 32439036), (21, 30894320), (24, 27032530), (28, 23170740), (30, 21626024), (35, 18536592), (40, 16219518), (41, 15823920), (42, 15447160), (48, 13516265), (56, 11585370), (60, 10813012), (70, 9268296), (80, 8109759), (82, 7911960), (84, 7723580), (105, 6178864), (112, 5792685), (120, 5406506), (123, 5274640), (140, 4634148), (164, 3955980), (168, 3861790), (205, 3164784), (210, 3089432), (240, 2703253), (246, 2637320), (280, 2317074), (287, 2260560), (328, 1977990), (336, 1930895), (410, 1582392), (420, 1544716), (492, 1318660), (560, 1158537), (574, 1130280), (615, 1054928), (656, 988995), (820, 791196), (840, 772358), (861, 753520), (984, 659330), (1148, 565140), (1230, 527464), (1435, 452112), (1640, 395598), (1680, 386179), (1722, 376760), (1968, 329665), (2296, 282570), (2460, 263732), (2870, 226056), (3280, 197799), (3444, 188380), (4305, 150704), (4592, 141285), (4920, 131866), (5740, 113028), (6888, 94190), (8610, 75352), (9419, 68880), (9840, 65933), (11480, 56514), (13776, 47095), (17220, 37676), (18838, 34440), (22960, 28257)]