280681984

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 669778560

約数和(自身を除く): 389096576

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 43, 44, 61, 64, 76, 86, 88, 122, 128, 152, 172, 176, 209, 244, 256, 304, 344, 352, 418, 473, 488, 512, 608, 671, 688, 704, 817, 836, 946, 976, 1159, 1216, 1342, 1376, 1408, 1634, 1672, 1892, 1952, 2318, 2432, 2623, 2684, 2752, 2816, 3268, 3344, 3784, 3904, 4636, 4864, 5246, 5368, 5504, 5632, 6536, 6688, 7568, 7808, 8987, 9272, 9728, 10492, 10736, 11008, 12749, 13072, 13376, 15136, 15616, 17974, 18544, 20984, 21472, 22016, 25498, 26144, 26752, 28853, 30272, 31232, 35948, 37088, 41968, 42944, 49837, 50996, 52288, 53504, 57706, 60544, 71896, 74176, 83936, 85888, 99674, 101992, 104576, 107008, 115412, 121088, 143792, 148352, 167872, 171776, 199348, 203984, 209152, 230824, 242176, 287584, 296704, 335744, 343552, 398696, 407968, 418304, 461648, 548207, 575168, 593408, 671488, 797392, 815936, 923296, 1096414, 1150336, 1342976, 1594784, 1631872, 1846592, 2192828, 2300672, 3189568, 3263744, 3693184, 4385656, 4601344, 6379136, 6527488, 7386368, 8771312, 12758272, 14772736, 17542624, 25516544, 35085248, 70170496, 140340992, 280681984]

約数ペア:

[(1, 280681984), (2, 140340992), (4, 70170496), (8, 35085248), (11, 25516544), (16, 17542624), (19, 14772736), (22, 12758272), (32, 8771312), (38, 7386368), (43, 6527488), (44, 6379136), (61, 4601344), (64, 4385656), (76, 3693184), (86, 3263744), (88, 3189568), (122, 2300672), (128, 2192828), (152, 1846592), (172, 1631872), (176, 1594784), (209, 1342976), (244, 1150336), (256, 1096414), (304, 923296), (344, 815936), (352, 797392), (418, 671488), (473, 593408), (488, 575168), (512, 548207), (608, 461648), (671, 418304), (688, 407968), (704, 398696), (817, 343552), (836, 335744), (946, 296704), (976, 287584), (1159, 242176), (1216, 230824), (1342, 209152), (1376, 203984), (1408, 199348), (1634, 171776), (1672, 167872), (1892, 148352), (1952, 143792), (2318, 121088), (2432, 115412), (2623, 107008), (2684, 104576), (2752, 101992), (2816, 99674), (3268, 85888), (3344, 83936), (3784, 74176), (3904, 71896), (4636, 60544), (4864, 57706), (5246, 53504), (5368, 52288), (5504, 50996), (5632, 49837), (6536, 42944), (6688, 41968), (7568, 37088), (7808, 35948), (8987, 31232), (9272, 30272), (9728, 28853), (10492, 26752), (10736, 26144), (11008, 25498), (12749, 22016), (13072, 21472), (13376, 20984), (15136, 18544), (15616, 17974)]