280710120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3719}}^1$

素因数の和:3787

約数の個数: 128

約数和(自身を含む): 916012800

約数和(自身を除く): 635302680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 296, 340, 370, 408, 444, 510, 555, 629, 680, 740, 888, 1020, 1110, 1258, 1480, 1887, 2040, 2220, 2516, 3145, 3719, 3774, 4440, 5032, 6290, 7438, 7548, 9435, 11157, 12580, 14876, 15096, 18595, 18870, 22314, 25160, 29752, 37190, 37740, 44628, 55785, 63223, 74380, 75480, 89256, 111570, 126446, 137603, 148760, 189669, 223140, 252892, 275206, 316115, 379338, 412809, 446280, 505784, 550412, 632230, 688015, 758676, 825618, 948345, 1100824, 1264460, 1376030, 1517352, 1651236, 1896690, 2064045, 2339251, 2528920, 2752060, 3302472, 3793380, 4128090, 4678502, 5504120, 7017753, 7586760, 8256180, 9357004, 11696255, 14035506, 16512360, 18714008, 23392510, 28071012, 35088765, 46785020, 56142024, 70177530, 93570040, 140355060, 280710120]

約数ペア:

[(1, 280710120), (2, 140355060), (3, 93570040), (4, 70177530), (5, 56142024), (6, 46785020), (8, 35088765), (10, 28071012), (12, 23392510), (15, 18714008), (17, 16512360), (20, 14035506), (24, 11696255), (30, 9357004), (34, 8256180), (37, 7586760), (40, 7017753), (51, 5504120), (60, 4678502), (68, 4128090), (74, 3793380), (85, 3302472), (102, 2752060), (111, 2528920), (120, 2339251), (136, 2064045), (148, 1896690), (170, 1651236), (185, 1517352), (204, 1376030), (222, 1264460), (255, 1100824), (296, 948345), (340, 825618), (370, 758676), (408, 688015), (444, 632230), (510, 550412), (555, 505784), (629, 446280), (680, 412809), (740, 379338), (888, 316115), (1020, 275206), (1110, 252892), (1258, 223140), (1480, 189669), (1887, 148760), (2040, 137603), (2220, 126446), (2516, 111570), (3145, 89256), (3719, 75480), (3774, 74380), (4440, 63223), (5032, 55785), (6290, 44628), (7438, 37740), (7548, 37190), (9435, 29752), (11157, 25160), (12580, 22314), (14876, 18870), (15096, 18595)]