1881474560

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:373

約数の個数: 240

約数和(自身を含む): 5365544976

約数和(自身を除く): 3484070416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 128, 140, 160, 196, 212, 224, 245, 256, 265, 280, 283, 320, 371, 392, 424, 448, 490, 512, 530, 560, 566, 640, 742, 784, 848, 896, 980, 1060, 1120, 1132, 1280, 1415, 1484, 1568, 1696, 1792, 1855, 1960, 1981, 2120, 2240, 2264, 2560, 2597, 2830, 2968, 3136, 3392, 3584, 3710, 3920, 3962, 4240, 4480, 4528, 5194, 5660, 5936, 6272, 6784, 7420, 7840, 7924, 8480, 8960, 9056, 9905, 10388, 11320, 11872, 12544, 12985, 13568, 13867, 14840, 14999, 15680, 15848, 16960, 17920, 18112, 19810, 20776, 22640, 23744, 25088, 25970, 27136, 27734, 29680, 29998, 31360, 31696, 33920, 36224, 39620, 41552, 45280, 47488, 51940, 55468, 59360, 59996, 62720, 63392, 67840, 69335, 72448, 74995, 79240, 83104, 90560, 94976, 103880, 104993, 110936, 118720, 119992, 125440, 126784, 135680, 138670, 144896, 149990, 158480, 166208, 181120, 189952, 207760, 209986, 221872, 237440, 239984, 253568, 277340, 299980, 316960, 332416, 362240, 415520, 419972, 443744, 474880, 479968, 507136, 524965, 554680, 599960, 633920, 664832, 724480, 734951, 831040, 839944, 887488, 949760, 959936, 1014272, 1049930, 1109360, 1199920, 1267840, 1329664, 1469902, 1662080, 1679888, 1774976, 1919872, 2099860, 2218720, 2399840, 2535680, 2939804, 3324160, 3359776, 3549952, 3674755, 3839744, 4199720, 4437440, 4799680, 5071360, 5879608, 6648320, 6719552, 7099904, 7349510, 7679488, 8399440, 8874880, 9599360, 11759216, 13439104, 14699020, 16798880, 17749760, 19198720, 23518432, 26878208, 29398040, 33597760, 35499520, 38397440, 47036864, 53756416, 58796080, 67195520, 94073728, 117592160, 134391040, 188147456, 235184320, 268782080, 376294912, 470368640, 940737280, 1881474560]

約数ペア:

[(1, 1881474560), (2, 940737280), (4, 470368640), (5, 376294912), (7, 268782080), (8, 235184320), (10, 188147456), (14, 134391040), (16, 117592160), (20, 94073728), (28, 67195520), (32, 58796080), (35, 53756416), (40, 47036864), (49, 38397440), (53, 35499520), (56, 33597760), (64, 29398040), (70, 26878208), (80, 23518432), (98, 19198720), (106, 17749760), (112, 16798880), (128, 14699020), (140, 13439104), (160, 11759216), (196, 9599360), (212, 8874880), (224, 8399440), (245, 7679488), (256, 7349510), (265, 7099904), (280, 6719552), (283, 6648320), (320, 5879608), (371, 5071360), (392, 4799680), (424, 4437440), (448, 4199720), (490, 3839744), (512, 3674755), (530, 3549952), (560, 3359776), (566, 3324160), (640, 2939804), (742, 2535680), (784, 2399840), (848, 2218720), (896, 2099860), (980, 1919872), (1060, 1774976), (1120, 1679888), (1132, 1662080), (1280, 1469902), (1415, 1329664), (1484, 1267840), (1568, 1199920), (1696, 1109360), (1792, 1049930), (1855, 1014272), (1960, 959936), (1981, 949760), (2120, 887488), (2240, 839944), (2264, 831040), (2560, 734951), (2597, 724480), (2830, 664832), (2968, 633920), (3136, 599960), (3392, 554680), (3584, 524965), (3710, 507136), (3920, 479968), (3962, 474880), (4240, 443744), (4480, 419972), (4528, 415520), (5194, 362240), (5660, 332416), (5936, 316960), (6272, 299980), (6784, 277340), (7420, 253568), (7840, 239984), (7924, 237440), (8480, 221872), (8960, 209986), (9056, 207760), (9905, 189952), (10388, 181120), (11320, 166208), (11872, 158480), (12544, 149990), (12985, 144896), (13568, 138670), (13867, 135680), (14840, 126784), (14999, 125440), (15680, 119992), (15848, 118720), (16960, 110936), (17920, 104993), (18112, 103880), (19810, 94976), (20776, 90560), (22640, 83104), (23744, 79240), (25088, 74995), (25970, 72448), (27136, 69335), (27734, 67840), (29680, 63392), (29998, 62720), (31360, 59996), (31696, 59360), (33920, 55468), (36224, 51940), (39620, 47488), (41552, 45280)]