217538640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 240

約数和(自身を含む): 807109056

約数和(自身を除く): 589570416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 227, 240, 242, 264, 330, 360, 363, 396, 440, 454, 484, 495, 528, 605, 660, 681, 720, 726, 792, 880, 908, 968, 990, 1089, 1135, 1210, 1320, 1331, 1362, 1452, 1584, 1815, 1816, 1936, 1980, 2043, 2178, 2270, 2420, 2497, 2640, 2662, 2724, 2904, 3405, 3630, 3632, 3960, 3993, 4086, 4356, 4540, 4840, 4994, 5324, 5445, 5448, 5808, 6655, 6810, 7260, 7491, 7920, 7986, 8172, 8712, 9080, 9680, 9988, 10215, 10648, 10890, 10896, 11979, 12485, 13310, 13620, 14520, 14982, 15972, 16344, 17424, 18160, 19965, 19976, 20430, 21296, 21780, 22473, 23958, 24970, 26620, 27240, 27467, 29040, 29964, 31944, 32688, 37455, 39930, 39952, 40860, 43560, 44946, 47916, 49940, 53240, 54480, 54934, 59895, 59928, 63888, 74910, 79860, 81720, 82401, 87120, 89892, 95832, 99880, 106480, 109868, 112365, 119790, 119856, 137335, 149820, 159720, 163440, 164802, 179784, 191664, 199760, 219736, 224730, 239580, 247203, 274670, 299640, 302137, 319440, 329604, 359568, 412005, 439472, 449460, 479160, 494406, 549340, 599280, 604274, 659208, 824010, 898920, 906411, 958320, 988812, 1098680, 1208548, 1236015, 1318416, 1510685, 1648020, 1797840, 1812822, 1977624, 2197360, 2417096, 2472030, 2719233, 3021370, 3296040, 3625644, 3955248, 4532055, 4834192, 4944060, 5438466, 6042740, 6592080, 7251288, 9064110, 9888120, 10876932, 12085480, 13596165, 14502576, 18128220, 19776240, 21753864, 24170960, 27192330, 36256440, 43507728, 54384660, 72512880, 108769320, 217538640]

約数ペア:

[(1, 217538640), (2, 108769320), (3, 72512880), (4, 54384660), (5, 43507728), (6, 36256440), (8, 27192330), (9, 24170960), (10, 21753864), (11, 19776240), (12, 18128220), (15, 14502576), (16, 13596165), (18, 12085480), (20, 10876932), (22, 9888120), (24, 9064110), (30, 7251288), (33, 6592080), (36, 6042740), (40, 5438466), (44, 4944060), (45, 4834192), (48, 4532055), (55, 3955248), (60, 3625644), (66, 3296040), (72, 3021370), (80, 2719233), (88, 2472030), (90, 2417096), (99, 2197360), (110, 1977624), (120, 1812822), (121, 1797840), (132, 1648020), (144, 1510685), (165, 1318416), (176, 1236015), (180, 1208548), (198, 1098680), (220, 988812), (227, 958320), (240, 906411), (242, 898920), (264, 824010), (330, 659208), (360, 604274), (363, 599280), (396, 549340), (440, 494406), (454, 479160), (484, 449460), (495, 439472), (528, 412005), (605, 359568), (660, 329604), (681, 319440), (720, 302137), (726, 299640), (792, 274670), (880, 247203), (908, 239580), (968, 224730), (990, 219736), (1089, 199760), (1135, 191664), (1210, 179784), (1320, 164802), (1331, 163440), (1362, 159720), (1452, 149820), (1584, 137335), (1815, 119856), (1816, 119790), (1936, 112365), (1980, 109868), (2043, 106480), (2178, 99880), (2270, 95832), (2420, 89892), (2497, 87120), (2640, 82401), (2662, 81720), (2724, 79860), (2904, 74910), (3405, 63888), (3630, 59928), (3632, 59895), (3960, 54934), (3993, 54480), (4086, 53240), (4356, 49940), (4540, 47916), (4840, 44946), (4994, 43560), (5324, 40860), (5445, 39952), (5448, 39930), (5808, 37455), (6655, 32688), (6810, 31944), (7260, 29964), (7491, 29040), (7920, 27467), (7986, 27240), (8172, 26620), (8712, 24970), (9080, 23958), (9680, 22473), (9988, 21780), (10215, 21296), (10648, 20430), (10890, 19976), (10896, 19965), (11979, 18160), (12485, 17424), (13310, 16344), (13620, 15972), (14520, 14982)]