390551280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 320

約数和(自身を含む): 1458382848

約数和(自身を除く): 1067831568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 61, 70, 74, 80, 84, 103, 105, 111, 112, 120, 122, 140, 148, 168, 183, 185, 206, 210, 222, 240, 244, 259, 280, 296, 305, 309, 336, 366, 370, 412, 420, 427, 444, 488, 515, 518, 555, 560, 592, 610, 618, 721, 732, 740, 777, 824, 840, 854, 888, 915, 976, 1030, 1036, 1110, 1220, 1236, 1281, 1295, 1442, 1464, 1480, 1545, 1554, 1648, 1680, 1708, 1776, 1830, 2060, 2072, 2135, 2163, 2220, 2257, 2440, 2472, 2562, 2590, 2884, 2928, 2960, 3090, 3108, 3416, 3605, 3660, 3811, 3885, 4120, 4144, 4270, 4326, 4440, 4514, 4880, 4944, 5124, 5180, 5768, 6180, 6216, 6283, 6405, 6771, 6832, 7210, 7320, 7622, 7770, 8240, 8540, 8652, 8880, 9028, 10248, 10360, 10815, 11285, 11433, 11536, 12360, 12432, 12566, 12810, 13542, 14420, 14640, 15244, 15540, 15799, 17080, 17304, 18056, 18849, 19055, 20496, 20720, 21630, 22570, 22866, 24720, 25132, 25620, 26677, 27084, 28840, 30488, 31080, 31415, 31598, 33855, 34160, 34608, 36112, 37698, 38110, 43260, 43981, 45140, 45732, 47397, 50264, 51240, 53354, 54168, 57165, 57680, 60976, 62160, 62830, 63196, 67710, 75396, 76220, 78995, 80031, 86520, 87962, 90280, 91464, 94245, 94794, 100528, 102480, 106708, 108336, 114330, 125660, 126392, 131943, 133385, 135420, 150792, 152440, 157990, 160062, 173040, 175924, 180560, 182928, 188490, 189588, 213416, 219905, 228660, 232471, 236985, 251320, 252784, 263886, 266770, 270840, 301584, 304880, 315980, 320124, 351848, 376980, 379176, 400155, 426832, 439810, 457320, 464942, 473970, 502640, 527772, 533540, 541680, 631960, 640248, 659715, 697413, 703696, 753960, 758352, 800310, 879620, 914640, 929884, 947940, 1055544, 1067080, 1162355, 1263920, 1280496, 1319430, 1394826, 1507920, 1600620, 1627297, 1759240, 1859768, 1895880, 2111088, 2134160, 2324710, 2638860, 2789652, 3201240, 3254594, 3487065, 3518480, 3719536, 3791760, 4649420, 4881891, 5277720, 5579304, 6402480, 6509188, 6974130, 8136485, 9298840, 9763782, 10555440, 11158608, 13018376, 13948260, 16272970, 18597680, 19527564, 24409455, 26036752, 27896520, 32545940, 39055128, 48818910, 55793040, 65091880, 78110256, 97637820, 130183760, 195275640, 390551280]

約数ペア:

[(1, 390551280), (2, 195275640), (3, 130183760), (4, 97637820), (5, 78110256), (6, 65091880), (7, 55793040), (8, 48818910), (10, 39055128), (12, 32545940), (14, 27896520), (15, 26036752), (16, 24409455), (20, 19527564), (21, 18597680), (24, 16272970), (28, 13948260), (30, 13018376), (35, 11158608), (37, 10555440), (40, 9763782), (42, 9298840), (48, 8136485), (56, 6974130), (60, 6509188), (61, 6402480), (70, 5579304), (74, 5277720), (80, 4881891), (84, 4649420), (103, 3791760), (105, 3719536), (111, 3518480), (112, 3487065), (120, 3254594), (122, 3201240), (140, 2789652), (148, 2638860), (168, 2324710), (183, 2134160), (185, 2111088), (206, 1895880), (210, 1859768), (222, 1759240), (240, 1627297), (244, 1600620), (259, 1507920), (280, 1394826), (296, 1319430), (305, 1280496), (309, 1263920), (336, 1162355), (366, 1067080), (370, 1055544), (412, 947940), (420, 929884), (427, 914640), (444, 879620), (488, 800310), (515, 758352), (518, 753960), (555, 703696), (560, 697413), (592, 659715), (610, 640248), (618, 631960), (721, 541680), (732, 533540), (740, 527772), (777, 502640), (824, 473970), (840, 464942), (854, 457320), (888, 439810), (915, 426832), (976, 400155), (1030, 379176), (1036, 376980), (1110, 351848), (1220, 320124), (1236, 315980), (1281, 304880), (1295, 301584), (1442, 270840), (1464, 266770), (1480, 263886), (1545, 252784), (1554, 251320), (1648, 236985), (1680, 232471), (1708, 228660), (1776, 219905), (1830, 213416), (2060, 189588), (2072, 188490), (2135, 182928), (2163, 180560), (2220, 175924), (2257, 173040), (2440, 160062), (2472, 157990), (2562, 152440), (2590, 150792), (2884, 135420), (2928, 133385), (2960, 131943), (3090, 126392), (3108, 125660), (3416, 114330), (3605, 108336), (3660, 106708), (3811, 102480), (3885, 100528), (4120, 94794), (4144, 94245), (4270, 91464), (4326, 90280), (4440, 87962), (4514, 86520), (4880, 80031), (4944, 78995), (5124, 76220), (5180, 75396), (5768, 67710), (6180, 63196), (6216, 62830), (6283, 62160), (6405, 60976), (6771, 57680), (6832, 57165), (7210, 54168), (7320, 53354), (7622, 51240), (7770, 50264), (8240, 47397), (8540, 45732), (8652, 45140), (8880, 43981), (9028, 43260), (10248, 38110), (10360, 37698), (10815, 36112), (11285, 34608), (11433, 34160), (11536, 33855), (12360, 31598), (12432, 31415), (12566, 31080), (12810, 30488), (13542, 28840), (14420, 27084), (14640, 26677), (15244, 25620), (15540, 25132), (15799, 24720), (17080, 22866), (17304, 22570), (18056, 21630), (18849, 20720), (19055, 20496)]