649130580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11981}}^1$

素因数の和:12046

約数の個数: 144

約数和(自身を含む): 2302844544

約数和(自身を除く): 1653713964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 10836, 11981, 13545, 18060, 23962, 27090, 35943, 47924, 54180, 59905, 71886, 83867, 107829, 119810, 143772, 167734, 179715, 215658, 239620, 251601, 335468, 359430, 419335, 431316, 503202, 515183, 539145, 718860, 754803, 838670, 1006404, 1030366, 1078290, 1258005, 1509606, 1545549, 1677340, 2060732, 2156580, 2516010, 2575915, 3019212, 3091098, 3606281, 3774015, 4636647, 5032020, 5151830, 6182196, 7212562, 7548030, 7727745, 9273294, 10303660, 10818843, 14425124, 15096060, 15455490, 18031405, 18546588, 21637686, 23183235, 30910980, 32456529, 36062810, 43275372, 46366470, 54094215, 64913058, 72125620, 92732940, 108188430, 129826116, 162282645, 216376860, 324565290, 649130580]

約数ペア:

[(1, 649130580), (2, 324565290), (3, 216376860), (4, 162282645), (5, 129826116), (6, 108188430), (7, 92732940), (9, 72125620), (10, 64913058), (12, 54094215), (14, 46366470), (15, 43275372), (18, 36062810), (20, 32456529), (21, 30910980), (28, 23183235), (30, 21637686), (35, 18546588), (36, 18031405), (42, 15455490), (43, 15096060), (45, 14425124), (60, 10818843), (63, 10303660), (70, 9273294), (84, 7727745), (86, 7548030), (90, 7212562), (105, 6182196), (126, 5151830), (129, 5032020), (140, 4636647), (172, 3774015), (180, 3606281), (210, 3091098), (215, 3019212), (252, 2575915), (258, 2516010), (301, 2156580), (315, 2060732), (387, 1677340), (420, 1545549), (430, 1509606), (516, 1258005), (602, 1078290), (630, 1030366), (645, 1006404), (774, 838670), (860, 754803), (903, 718860), (1204, 539145), (1260, 515183), (1290, 503202), (1505, 431316), (1548, 419335), (1806, 359430), (1935, 335468), (2580, 251601), (2709, 239620), (3010, 215658), (3612, 179715), (3870, 167734), (4515, 143772), (5418, 119810), (6020, 107829), (7740, 83867), (9030, 71886), (10836, 59905), (11981, 54180), (13545, 47924), (18060, 35943), (23962, 27090)]