210326760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 256

約数和(自身を含む): 821145600

約数和(自身を除く): 610818840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 645, 647, 756, 774, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1290, 1294, 1505, 1512, 1548, 1720, 1806, 1890, 1935, 1941, 2322, 2408, 2520, 2580, 2588, 2709, 3010, 3096, 3235, 3612, 3780, 3870, 3882, 4515, 4529, 4644, 5160, 5176, 5418, 5805, 5823, 6020, 6470, 7224, 7560, 7740, 7764, 8127, 9030, 9058, 9288, 9705, 10836, 11610, 11646, 12040, 12940, 13545, 13587, 15480, 15528, 16254, 17469, 18060, 18116, 19410, 21672, 22645, 23220, 23292, 25880, 27090, 27174, 27821, 29115, 32508, 34938, 36120, 36232, 38820, 40635, 40761, 45290, 46440, 46584, 54180, 54348, 55642, 58230, 65016, 67935, 69876, 77640, 81270, 81522, 83463, 87345, 90580, 108360, 108696, 111284, 116460, 122283, 135870, 139105, 139752, 162540, 163044, 166926, 174690, 181160, 194747, 203805, 222568, 232920, 244566, 250389, 271740, 278210, 325080, 326088, 333852, 349380, 389494, 407610, 417315, 489132, 500778, 543480, 556420, 584241, 611415, 667704, 698760, 751167, 778988, 815220, 834630, 973735, 978264, 1001556, 1112840, 1168482, 1222830, 1251945, 1502334, 1557976, 1630440, 1669260, 1752723, 1947470, 2003112, 2336964, 2445660, 2503890, 2921205, 3004668, 3338520, 3505446, 3755835, 3894940, 4673928, 4891320, 5007780, 5258169, 5842410, 6009336, 7010892, 7511670, 7789880, 8763615, 10015560, 10516338, 11684820, 14021784, 15023340, 17527230, 21032676, 23369640, 26290845, 30046680, 35054460, 42065352, 52581690, 70108920, 105163380, 210326760]

約数ペア:

[(1, 210326760), (2, 105163380), (3, 70108920), (4, 52581690), (5, 42065352), (6, 35054460), (7, 30046680), (8, 26290845), (9, 23369640), (10, 21032676), (12, 17527230), (14, 15023340), (15, 14021784), (18, 11684820), (20, 10516338), (21, 10015560), (24, 8763615), (27, 7789880), (28, 7511670), (30, 7010892), (35, 6009336), (36, 5842410), (40, 5258169), (42, 5007780), (43, 4891320), (45, 4673928), (54, 3894940), (56, 3755835), (60, 3505446), (63, 3338520), (70, 3004668), (72, 2921205), (84, 2503890), (86, 2445660), (90, 2336964), (105, 2003112), (108, 1947470), (120, 1752723), (126, 1669260), (129, 1630440), (135, 1557976), (140, 1502334), (168, 1251945), (172, 1222830), (180, 1168482), (189, 1112840), (210, 1001556), (215, 978264), (216, 973735), (252, 834630), (258, 815220), (270, 778988), (280, 751167), (301, 698760), (315, 667704), (344, 611415), (360, 584241), (378, 556420), (387, 543480), (420, 500778), (430, 489132), (504, 417315), (516, 407610), (540, 389494), (602, 349380), (630, 333852), (645, 326088), (647, 325080), (756, 278210), (774, 271740), (840, 250389), (860, 244566), (903, 232920), (945, 222568), (1032, 203805), (1080, 194747), (1161, 181160), (1204, 174690), (1260, 166926), (1290, 163044), (1294, 162540), (1505, 139752), (1512, 139105), (1548, 135870), (1720, 122283), (1806, 116460), (1890, 111284), (1935, 108696), (1941, 108360), (2322, 90580), (2408, 87345), (2520, 83463), (2580, 81522), (2588, 81270), (2709, 77640), (3010, 69876), (3096, 67935), (3235, 65016), (3612, 58230), (3780, 55642), (3870, 54348), (3882, 54180), (4515, 46584), (4529, 46440), (4644, 45290), (5160, 40761), (5176, 40635), (5418, 38820), (5805, 36232), (5823, 36120), (6020, 34938), (6470, 32508), (7224, 29115), (7560, 27821), (7740, 27174), (7764, 27090), (8127, 25880), (9030, 23292), (9058, 23220), (9288, 22645), (9705, 21672), (10836, 19410), (11610, 18116), (11646, 18060), (12040, 17469), (12940, 16254), (13545, 15528), (13587, 15480)]