845603120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 2154317472

約数和(自身を除く): 1308714352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 647, 680, 961, 1054, 1240, 1294, 1360, 1922, 2108, 2480, 2588, 2635, 3235, 3844, 4216, 4805, 5176, 5270, 6470, 7688, 8432, 9610, 10352, 10540, 10999, 12940, 15376, 16337, 19220, 20057, 21080, 21998, 25880, 32674, 38440, 40114, 42160, 43996, 51760, 54995, 65348, 76880, 80228, 81685, 87992, 100285, 109990, 130696, 160456, 163370, 175984, 200570, 219980, 261392, 320912, 326740, 340969, 401140, 439960, 621767, 653480, 681938, 802280, 879920, 1243534, 1306960, 1363876, 1604560, 1704845, 2487068, 2727752, 3108835, 3409690, 4974136, 5455504, 6217670, 6819380, 9948272, 10570039, 12435340, 13638760, 21140078, 24870680, 27277520, 42280156, 49741360, 52850195, 84560312, 105700390, 169120624, 211400780, 422801560, 845603120]

約数ペア:

[(1, 845603120), (2, 422801560), (4, 211400780), (5, 169120624), (8, 105700390), (10, 84560312), (16, 52850195), (17, 49741360), (20, 42280156), (31, 27277520), (34, 24870680), (40, 21140078), (62, 13638760), (68, 12435340), (80, 10570039), (85, 9948272), (124, 6819380), (136, 6217670), (155, 5455504), (170, 4974136), (248, 3409690), (272, 3108835), (310, 2727752), (340, 2487068), (496, 1704845), (527, 1604560), (620, 1363876), (647, 1306960), (680, 1243534), (961, 879920), (1054, 802280), (1240, 681938), (1294, 653480), (1360, 621767), (1922, 439960), (2108, 401140), (2480, 340969), (2588, 326740), (2635, 320912), (3235, 261392), (3844, 219980), (4216, 200570), (4805, 175984), (5176, 163370), (5270, 160456), (6470, 130696), (7688, 109990), (8432, 100285), (9610, 87992), (10352, 81685), (10540, 80228), (10999, 76880), (12940, 65348), (15376, 54995), (16337, 51760), (19220, 43996), (20057, 42160), (21080, 40114), (21998, 38440), (25880, 32674)]