140217840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 240

約数和(自身を含む): 551536128

約数和(自身を除く): 411318288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 630, 645, 647, 688, 720, 774, 840, 860, 903, 1008, 1032, 1204, 1260, 1290, 1294, 1505, 1548, 1680, 1720, 1806, 1935, 1941, 2064, 2408, 2520, 2580, 2588, 2709, 3010, 3096, 3235, 3440, 3612, 3870, 3882, 4515, 4529, 4816, 5040, 5160, 5176, 5418, 5823, 6020, 6192, 6470, 7224, 7740, 7764, 9030, 9058, 9705, 10320, 10352, 10836, 11646, 12040, 12940, 13545, 13587, 14448, 15480, 15528, 18060, 18116, 19410, 21672, 22645, 23292, 24080, 25880, 27090, 27174, 27821, 29115, 30960, 31056, 36120, 36232, 38820, 40761, 43344, 45290, 46584, 51760, 54180, 54348, 55642, 58230, 67935, 72240, 72464, 77640, 81522, 83463, 90580, 93168, 108360, 108696, 111284, 116460, 135870, 139105, 155280, 163044, 166926, 181160, 194747, 203805, 216720, 217392, 222568, 232920, 250389, 271740, 278210, 326088, 333852, 362320, 389494, 407610, 417315, 445136, 465840, 500778, 543480, 556420, 584241, 652176, 667704, 778988, 815220, 834630, 973735, 1001556, 1086960, 1112840, 1168482, 1251945, 1335408, 1557976, 1630440, 1669260, 1752723, 1947470, 2003112, 2225680, 2336964, 2503890, 2921205, 3115952, 3260880, 3338520, 3505446, 3894940, 4006224, 4673928, 5007780, 5842410, 6677040, 7010892, 7789880, 8763615, 9347856, 10015560, 11684820, 14021784, 15579760, 17527230, 20031120, 23369640, 28043568, 35054460, 46739280, 70108920, 140217840]

約数ペア:

[(1, 140217840), (2, 70108920), (3, 46739280), (4, 35054460), (5, 28043568), (6, 23369640), (7, 20031120), (8, 17527230), (9, 15579760), (10, 14021784), (12, 11684820), (14, 10015560), (15, 9347856), (16, 8763615), (18, 7789880), (20, 7010892), (21, 6677040), (24, 5842410), (28, 5007780), (30, 4673928), (35, 4006224), (36, 3894940), (40, 3505446), (42, 3338520), (43, 3260880), (45, 3115952), (48, 2921205), (56, 2503890), (60, 2336964), (63, 2225680), (70, 2003112), (72, 1947470), (80, 1752723), (84, 1669260), (86, 1630440), (90, 1557976), (105, 1335408), (112, 1251945), (120, 1168482), (126, 1112840), (129, 1086960), (140, 1001556), (144, 973735), (168, 834630), (172, 815220), (180, 778988), (210, 667704), (215, 652176), (240, 584241), (252, 556420), (258, 543480), (280, 500778), (301, 465840), (315, 445136), (336, 417315), (344, 407610), (360, 389494), (387, 362320), (420, 333852), (430, 326088), (504, 278210), (516, 271740), (560, 250389), (602, 232920), (630, 222568), (645, 217392), (647, 216720), (688, 203805), (720, 194747), (774, 181160), (840, 166926), (860, 163044), (903, 155280), (1008, 139105), (1032, 135870), (1204, 116460), (1260, 111284), (1290, 108696), (1294, 108360), (1505, 93168), (1548, 90580), (1680, 83463), (1720, 81522), (1806, 77640), (1935, 72464), (1941, 72240), (2064, 67935), (2408, 58230), (2520, 55642), (2580, 54348), (2588, 54180), (2709, 51760), (3010, 46584), (3096, 45290), (3235, 43344), (3440, 40761), (3612, 38820), (3870, 36232), (3882, 36120), (4515, 31056), (4529, 30960), (4816, 29115), (5040, 27821), (5160, 27174), (5176, 27090), (5418, 25880), (5823, 24080), (6020, 23292), (6192, 22645), (6470, 21672), (7224, 19410), (7740, 18116), (7764, 18060), (9030, 15528), (9058, 15480), (9705, 14448), (10320, 13587), (10352, 13545), (10836, 12940), (11646, 12040)]