2221184280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 256

約数和(自身を含む): 7856455680

約数和(自身を除く): 5635271400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 127, 140, 141, 168, 188, 210, 235, 254, 280, 282, 329, 376, 381, 420, 443, 470, 508, 564, 635, 658, 705, 762, 840, 886, 889, 940, 987, 1016, 1128, 1270, 1316, 1329, 1410, 1524, 1645, 1772, 1778, 1880, 1905, 1974, 2215, 2540, 2632, 2658, 2667, 2820, 3048, 3101, 3290, 3544, 3556, 3810, 3948, 4430, 4445, 4935, 5080, 5316, 5334, 5640, 5969, 6202, 6580, 6645, 7112, 7620, 7896, 8860, 8890, 9303, 9870, 10632, 10668, 11938, 12404, 13160, 13290, 13335, 15240, 15505, 17720, 17780, 17907, 18606, 19740, 20821, 21336, 23876, 24808, 26580, 26670, 29845, 31010, 35560, 35814, 37212, 39480, 41642, 41783, 46515, 47752, 53160, 53340, 56261, 59690, 62020, 62463, 71628, 74424, 83284, 83566, 89535, 93030, 104105, 106680, 112522, 119380, 124040, 124926, 125349, 143256, 145747, 166568, 167132, 168783, 179070, 186060, 208210, 208915, 225044, 238760, 249852, 250698, 281305, 291494, 312315, 334264, 337566, 358140, 372120, 393827, 416420, 417830, 437241, 450088, 499704, 501396, 562610, 582988, 624630, 626745, 675132, 716280, 728735, 787654, 832840, 835660, 843915, 874482, 1002792, 1125220, 1165976, 1181481, 1249260, 1253490, 1350264, 1457470, 1575308, 1671320, 1687830, 1748964, 1969135, 2186205, 2250440, 2362962, 2498520, 2506980, 2644267, 2914940, 3150616, 3375660, 3497928, 3938270, 4372410, 4725924, 5013960, 5288534, 5829880, 5907405, 6751320, 7876540, 7932801, 8744820, 9451848, 10577068, 11814810, 13221335, 15753080, 15865602, 17489640, 18509869, 21154136, 23629620, 26442670, 31731204, 37019738, 39664005, 47259240, 52885340, 55529607, 63462408, 74039476, 79328010, 92549345, 105770680, 111059214, 148078952, 158656020, 185098690, 222118428, 277648035, 317312040, 370197380, 444236856, 555296070, 740394760, 1110592140, 2221184280]

約数ペア:

[(1, 2221184280), (2, 1110592140), (3, 740394760), (4, 555296070), (5, 444236856), (6, 370197380), (7, 317312040), (8, 277648035), (10, 222118428), (12, 185098690), (14, 158656020), (15, 148078952), (20, 111059214), (21, 105770680), (24, 92549345), (28, 79328010), (30, 74039476), (35, 63462408), (40, 55529607), (42, 52885340), (47, 47259240), (56, 39664005), (60, 37019738), (70, 31731204), (84, 26442670), (94, 23629620), (105, 21154136), (120, 18509869), (127, 17489640), (140, 15865602), (141, 15753080), (168, 13221335), (188, 11814810), (210, 10577068), (235, 9451848), (254, 8744820), (280, 7932801), (282, 7876540), (329, 6751320), (376, 5907405), (381, 5829880), (420, 5288534), (443, 5013960), (470, 4725924), (508, 4372410), (564, 3938270), (635, 3497928), (658, 3375660), (705, 3150616), (762, 2914940), (840, 2644267), (886, 2506980), (889, 2498520), (940, 2362962), (987, 2250440), (1016, 2186205), (1128, 1969135), (1270, 1748964), (1316, 1687830), (1329, 1671320), (1410, 1575308), (1524, 1457470), (1645, 1350264), (1772, 1253490), (1778, 1249260), (1880, 1181481), (1905, 1165976), (1974, 1125220), (2215, 1002792), (2540, 874482), (2632, 843915), (2658, 835660), (2667, 832840), (2820, 787654), (3048, 728735), (3101, 716280), (3290, 675132), (3544, 626745), (3556, 624630), (3810, 582988), (3948, 562610), (4430, 501396), (4445, 499704), (4935, 450088), (5080, 437241), (5316, 417830), (5334, 416420), (5640, 393827), (5969, 372120), (6202, 358140), (6580, 337566), (6645, 334264), (7112, 312315), (7620, 291494), (7896, 281305), (8860, 250698), (8890, 249852), (9303, 238760), (9870, 225044), (10632, 208915), (10668, 208210), (11938, 186060), (12404, 179070), (13160, 168783), (13290, 167132), (13335, 166568), (15240, 145747), (15505, 143256), (17720, 125349), (17780, 124926), (17907, 124040), (18606, 119380), (19740, 112522), (20821, 106680), (21336, 104105), (23876, 93030), (24808, 89535), (26580, 83566), (26670, 83284), (29845, 74424), (31010, 71628), (35560, 62463), (35814, 62020), (37212, 59690), (39480, 56261), (41642, 53340), (41783, 53160), (46515, 47752)]