221009040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 320

約数和(自身を含む): 891371520

約数和(自身を除く): 670362480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 108, 112, 120, 126, 135, 140, 141, 144, 168, 180, 188, 189, 210, 216, 235, 240, 252, 270, 280, 282, 311, 315, 329, 336, 360, 376, 378, 420, 423, 432, 470, 504, 540, 560, 564, 622, 630, 658, 705, 720, 752, 756, 840, 846, 933, 940, 945, 987, 1008, 1080, 1128, 1244, 1260, 1269, 1316, 1410, 1512, 1555, 1645, 1680, 1692, 1866, 1880, 1890, 1974, 2115, 2160, 2177, 2256, 2488, 2520, 2538, 2632, 2799, 2820, 2961, 3024, 3110, 3290, 3384, 3732, 3760, 3780, 3948, 4230, 4354, 4665, 4935, 4976, 5040, 5076, 5264, 5598, 5640, 5922, 6220, 6345, 6531, 6580, 6768, 7464, 7560, 7896, 8397, 8460, 8708, 8883, 9330, 9870, 10152, 10885, 11196, 11280, 11844, 12440, 12690, 13062, 13160, 13995, 14617, 14805, 14928, 15120, 15792, 16794, 16920, 17416, 17766, 18660, 19593, 19740, 20304, 21770, 22392, 23688, 24880, 25380, 26124, 26320, 27990, 29234, 29610, 32655, 33588, 33840, 34832, 35532, 37320, 39186, 39480, 41985, 43540, 43851, 44415, 44784, 47376, 50760, 52248, 55980, 58468, 58779, 59220, 65310, 67176, 71064, 73085, 74640, 78372, 78960, 83970, 87080, 87702, 88830, 97965, 101520, 102319, 104496, 111960, 116936, 117558, 118440, 130620, 131553, 134352, 142128, 146170, 156744, 167940, 174160, 175404, 177660, 195930, 204638, 219255, 223920, 233872, 235116, 236880, 261240, 263106, 292340, 293895, 306957, 313488, 335880, 350808, 355320, 391860, 394659, 409276, 438510, 470232, 511595, 522480, 526212, 584680, 587790, 613914, 657765, 671760, 701616, 710640, 783720, 789318, 818552, 877020, 920871, 940464, 1023190, 1052424, 1169360, 1175580, 1227828, 1315530, 1534785, 1567440, 1578636, 1637104, 1754040, 1841742, 1973295, 2046380, 2104848, 2351160, 2455656, 2631060, 2762613, 3069570, 3157272, 3508080, 3683484, 3946590, 4092760, 4604355, 4702320, 4911312, 5262120, 5525226, 6139140, 6314544, 7366968, 7893180, 8185520, 9208710, 10524240, 11050452, 12278280, 13813065, 14733936, 15786360, 18417420, 22100904, 24556560, 27626130, 31572720, 36834840, 44201808, 55252260, 73669680, 110504520, 221009040]

約数ペア:

[(1, 221009040), (2, 110504520), (3, 73669680), (4, 55252260), (5, 44201808), (6, 36834840), (7, 31572720), (8, 27626130), (9, 24556560), (10, 22100904), (12, 18417420), (14, 15786360), (15, 14733936), (16, 13813065), (18, 12278280), (20, 11050452), (21, 10524240), (24, 9208710), (27, 8185520), (28, 7893180), (30, 7366968), (35, 6314544), (36, 6139140), (40, 5525226), (42, 5262120), (45, 4911312), (47, 4702320), (48, 4604355), (54, 4092760), (56, 3946590), (60, 3683484), (63, 3508080), (70, 3157272), (72, 3069570), (80, 2762613), (84, 2631060), (90, 2455656), (94, 2351160), (105, 2104848), (108, 2046380), (112, 1973295), (120, 1841742), (126, 1754040), (135, 1637104), (140, 1578636), (141, 1567440), (144, 1534785), (168, 1315530), (180, 1227828), (188, 1175580), (189, 1169360), (210, 1052424), (216, 1023190), (235, 940464), (240, 920871), (252, 877020), (270, 818552), (280, 789318), (282, 783720), (311, 710640), (315, 701616), (329, 671760), (336, 657765), (360, 613914), (376, 587790), (378, 584680), (420, 526212), (423, 522480), (432, 511595), (470, 470232), (504, 438510), (540, 409276), (560, 394659), (564, 391860), (622, 355320), (630, 350808), (658, 335880), (705, 313488), (720, 306957), (752, 293895), (756, 292340), (840, 263106), (846, 261240), (933, 236880), (940, 235116), (945, 233872), (987, 223920), (1008, 219255), (1080, 204638), (1128, 195930), (1244, 177660), (1260, 175404), (1269, 174160), (1316, 167940), (1410, 156744), (1512, 146170), (1555, 142128), (1645, 134352), (1680, 131553), (1692, 130620), (1866, 118440), (1880, 117558), (1890, 116936), (1974, 111960), (2115, 104496), (2160, 102319), (2177, 101520), (2256, 97965), (2488, 88830), (2520, 87702), (2538, 87080), (2632, 83970), (2799, 78960), (2820, 78372), (2961, 74640), (3024, 73085), (3110, 71064), (3290, 67176), (3384, 65310), (3732, 59220), (3760, 58779), (3780, 58468), (3948, 55980), (4230, 52248), (4354, 50760), (4665, 47376), (4935, 44784), (4976, 44415), (5040, 43851), (5076, 43540), (5264, 41985), (5598, 39480), (5640, 39186), (5922, 37320), (6220, 35532), (6345, 34832), (6531, 33840), (6580, 33588), (6768, 32655), (7464, 29610), (7560, 29234), (7896, 27990), (8397, 26320), (8460, 26124), (8708, 25380), (8883, 24880), (9330, 23688), (9870, 22392), (10152, 21770), (10885, 20304), (11196, 19740), (11280, 19593), (11844, 18660), (12440, 17766), (12690, 17416), (13062, 16920), (13160, 16794), (13995, 15792), (14617, 15120), (14805, 14928)]