1577438720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 320

約数和(自身を含む): 4619704320

約数和(自身を除く): 3042265600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 128, 130, 139, 143, 155, 160, 176, 208, 220, 248, 256, 260, 278, 286, 310, 320, 341, 352, 403, 416, 440, 496, 512, 520, 556, 572, 620, 640, 682, 695, 704, 715, 806, 832, 880, 992, 1040, 1112, 1144, 1240, 1280, 1364, 1390, 1408, 1430, 1529, 1612, 1664, 1705, 1760, 1807, 1984, 2015, 2080, 2224, 2288, 2480, 2560, 2728, 2780, 2816, 2860, 3058, 3224, 3328, 3410, 3520, 3614, 3968, 4030, 4160, 4309, 4433, 4448, 4576, 4960, 5456, 5560, 5632, 5720, 6116, 6448, 6656, 6820, 7040, 7228, 7645, 7936, 8060, 8320, 8618, 8866, 8896, 9035, 9152, 9920, 10912, 11120, 11440, 12232, 12896, 13640, 14080, 14456, 15290, 15872, 16120, 16640, 17236, 17732, 17792, 18070, 18304, 19840, 19877, 21545, 21824, 22165, 22240, 22880, 24464, 25792, 27280, 28160, 28912, 30580, 32240, 33280, 34472, 35464, 35584, 36140, 36608, 39680, 39754, 43090, 43648, 44330, 44480, 45760, 47399, 48928, 51584, 54560, 56017, 57824, 61160, 64480, 68944, 70928, 71168, 72280, 73216, 79360, 79508, 86180, 87296, 88660, 88960, 91520, 94798, 97856, 99385, 103168, 109120, 112034, 115648, 122320, 128960, 137888, 141856, 144560, 159016, 172360, 174592, 177320, 177920, 183040, 189596, 195712, 198770, 206336, 218240, 224068, 231296, 236995, 244640, 257920, 275776, 280085, 283712, 289120, 318032, 344720, 354640, 355840, 366080, 379192, 391424, 397540, 436480, 448136, 462592, 473990, 489280, 515840, 551552, 560170, 567424, 578240, 616187, 636064, 689440, 709280, 758384, 782848, 795080, 872960, 896272, 925184, 947980, 978560, 1031680, 1103104, 1120340, 1134848, 1156480, 1232374, 1272128, 1378880, 1418560, 1516768, 1590160, 1792544, 1895960, 1957120, 2206208, 2240680, 2269696, 2312960, 2464748, 2544256, 2757760, 2837120, 3033536, 3080935, 3180320, 3585088, 3791920, 3914240, 4481360, 4625920, 4929496, 5088512, 5515520, 5674240, 6067072, 6161870, 6360640, 7170176, 7583840, 8962720, 9858992, 10177024, 11031040, 11348480, 12134144, 12323740, 12721280, 14340352, 15167680, 17925440, 19717984, 24268288, 24647480, 25442560, 28680704, 30335360, 35850880, 39435968, 49294960, 50885120, 60670720, 71701760, 78871936, 98589920, 121341440, 143403520, 157743872, 197179840, 315487744, 394359680, 788719360, 1577438720]

約数ペア:

[(1, 1577438720), (2, 788719360), (4, 394359680), (5, 315487744), (8, 197179840), (10, 157743872), (11, 143403520), (13, 121341440), (16, 98589920), (20, 78871936), (22, 71701760), (26, 60670720), (31, 50885120), (32, 49294960), (40, 39435968), (44, 35850880), (52, 30335360), (55, 28680704), (62, 25442560), (64, 24647480), (65, 24268288), (80, 19717984), (88, 17925440), (104, 15167680), (110, 14340352), (124, 12721280), (128, 12323740), (130, 12134144), (139, 11348480), (143, 11031040), (155, 10177024), (160, 9858992), (176, 8962720), (208, 7583840), (220, 7170176), (248, 6360640), (256, 6161870), (260, 6067072), (278, 5674240), (286, 5515520), (310, 5088512), (320, 4929496), (341, 4625920), (352, 4481360), (403, 3914240), (416, 3791920), (440, 3585088), (496, 3180320), (512, 3080935), (520, 3033536), (556, 2837120), (572, 2757760), (620, 2544256), (640, 2464748), (682, 2312960), (695, 2269696), (704, 2240680), (715, 2206208), (806, 1957120), (832, 1895960), (880, 1792544), (992, 1590160), (1040, 1516768), (1112, 1418560), (1144, 1378880), (1240, 1272128), (1280, 1232374), (1364, 1156480), (1390, 1134848), (1408, 1120340), (1430, 1103104), (1529, 1031680), (1612, 978560), (1664, 947980), (1705, 925184), (1760, 896272), (1807, 872960), (1984, 795080), (2015, 782848), (2080, 758384), (2224, 709280), (2288, 689440), (2480, 636064), (2560, 616187), (2728, 578240), (2780, 567424), (2816, 560170), (2860, 551552), (3058, 515840), (3224, 489280), (3328, 473990), (3410, 462592), (3520, 448136), (3614, 436480), (3968, 397540), (4030, 391424), (4160, 379192), (4309, 366080), (4433, 355840), (4448, 354640), (4576, 344720), (4960, 318032), (5456, 289120), (5560, 283712), (5632, 280085), (5720, 275776), (6116, 257920), (6448, 244640), (6656, 236995), (6820, 231296), (7040, 224068), (7228, 218240), (7645, 206336), (7936, 198770), (8060, 195712), (8320, 189596), (8618, 183040), (8866, 177920), (8896, 177320), (9035, 174592), (9152, 172360), (9920, 159016), (10912, 144560), (11120, 141856), (11440, 137888), (12232, 128960), (12896, 122320), (13640, 115648), (14080, 112034), (14456, 109120), (15290, 103168), (15872, 99385), (16120, 97856), (16640, 94798), (17236, 91520), (17732, 88960), (17792, 88660), (18070, 87296), (18304, 86180), (19840, 79508), (19877, 79360), (21545, 73216), (21824, 72280), (22165, 71168), (22240, 70928), (22880, 68944), (24464, 64480), (25792, 61160), (27280, 57824), (28160, 56017), (28912, 54560), (30580, 51584), (32240, 48928), (33280, 47399), (34472, 45760), (35464, 44480), (35584, 44330), (36140, 43648), (36608, 43090), (39680, 39754)]