280240884

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 936714240

約数和(自身を除く): 656473356

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 47, 54, 63, 66, 77, 81, 84, 94, 99, 108, 126, 132, 141, 154, 162, 188, 189, 198, 231, 239, 252, 282, 297, 308, 324, 329, 378, 396, 423, 462, 478, 517, 564, 567, 594, 658, 693, 717, 756, 846, 891, 924, 956, 987, 1034, 1134, 1188, 1269, 1316, 1386, 1434, 1551, 1673, 1692, 1782, 1974, 2068, 2079, 2151, 2268, 2538, 2629, 2772, 2868, 2961, 3102, 3346, 3564, 3619, 3807, 3948, 4158, 4302, 4653, 5019, 5076, 5258, 5922, 6204, 6237, 6453, 6692, 7238, 7614, 7887, 8316, 8604, 8883, 9306, 10038, 10516, 10857, 11233, 11844, 12474, 12906, 13959, 14476, 15057, 15228, 15774, 17766, 18403, 18612, 19359, 20076, 21714, 22466, 23661, 24948, 25812, 26649, 27918, 30114, 31548, 32571, 33699, 35532, 36806, 38718, 41877, 43428, 44932, 45171, 47322, 53298, 55209, 55836, 60228, 65142, 67398, 70983, 73612, 77436, 78631, 83754, 90342, 94644, 97713, 101097, 106596, 110418, 123563, 130284, 134796, 135513, 141966, 157262, 165627, 167508, 180684, 195426, 202194, 212949, 220836, 235893, 247126, 271026, 283932, 293139, 303291, 314524, 331254, 370689, 390852, 404388, 425898, 471786, 494252, 496881, 542052, 586278, 606582, 662508, 707679, 741378, 851796, 864941, 909873, 943572, 993762, 1112067, 1172556, 1213164, 1415358, 1482756, 1490643, 1729882, 1819746, 1987524, 2123037, 2224134, 2594823, 2830716, 2981286, 3336201, 3459764, 3639492, 4246074, 4448268, 5189646, 5962572, 6369111, 6672402, 7784469, 8492148, 10008603, 10379292, 12738222, 13344804, 15568938, 20017206, 23353407, 25476444, 31137876, 40034412, 46706814, 70060221, 93413628, 140120442, 280240884]

約数ペア:

[(1, 280240884), (2, 140120442), (3, 93413628), (4, 70060221), (6, 46706814), (7, 40034412), (9, 31137876), (11, 25476444), (12, 23353407), (14, 20017206), (18, 15568938), (21, 13344804), (22, 12738222), (27, 10379292), (28, 10008603), (33, 8492148), (36, 7784469), (42, 6672402), (44, 6369111), (47, 5962572), (54, 5189646), (63, 4448268), (66, 4246074), (77, 3639492), (81, 3459764), (84, 3336201), (94, 2981286), (99, 2830716), (108, 2594823), (126, 2224134), (132, 2123037), (141, 1987524), (154, 1819746), (162, 1729882), (188, 1490643), (189, 1482756), (198, 1415358), (231, 1213164), (239, 1172556), (252, 1112067), (282, 993762), (297, 943572), (308, 909873), (324, 864941), (329, 851796), (378, 741378), (396, 707679), (423, 662508), (462, 606582), (478, 586278), (517, 542052), (564, 496881), (567, 494252), (594, 471786), (658, 425898), (693, 404388), (717, 390852), (756, 370689), (846, 331254), (891, 314524), (924, 303291), (956, 293139), (987, 283932), (1034, 271026), (1134, 247126), (1188, 235893), (1269, 220836), (1316, 212949), (1386, 202194), (1434, 195426), (1551, 180684), (1673, 167508), (1692, 165627), (1782, 157262), (1974, 141966), (2068, 135513), (2079, 134796), (2151, 130284), (2268, 123563), (2538, 110418), (2629, 106596), (2772, 101097), (2868, 97713), (2961, 94644), (3102, 90342), (3346, 83754), (3564, 78631), (3619, 77436), (3807, 73612), (3948, 70983), (4158, 67398), (4302, 65142), (4653, 60228), (5019, 55836), (5076, 55209), (5258, 53298), (5922, 47322), (6204, 45171), (6237, 44932), (6453, 43428), (6692, 41877), (7238, 38718), (7614, 36806), (7887, 35532), (8316, 33699), (8604, 32571), (8883, 31548), (9306, 30114), (10038, 27918), (10516, 26649), (10857, 25812), (11233, 24948), (11844, 23661), (12474, 22466), (12906, 21714), (13959, 20076), (14476, 19359), (15057, 18612), (15228, 18403), (15774, 17766)]