172978432

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 410598720

約数和(自身を除く): 237620288

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 53, 61, 64, 76, 88, 106, 122, 128, 152, 176, 209, 212, 244, 256, 304, 352, 418, 424, 488, 583, 608, 671, 704, 836, 848, 976, 1007, 1159, 1166, 1216, 1342, 1408, 1672, 1696, 1952, 2014, 2318, 2332, 2432, 2684, 2816, 3233, 3344, 3392, 3904, 4028, 4636, 4664, 4864, 5368, 6466, 6688, 6784, 7808, 8056, 9272, 9328, 10736, 11077, 12749, 12932, 13376, 13568, 15616, 16112, 18544, 18656, 21472, 22154, 25498, 25864, 26752, 32224, 35563, 37088, 37312, 42944, 44308, 50996, 51728, 53504, 61427, 64448, 71126, 74176, 74624, 85888, 88616, 101992, 103456, 122854, 128896, 142252, 148352, 149248, 171776, 177232, 203984, 206912, 245708, 257792, 284504, 296704, 354464, 407968, 413824, 491416, 569008, 675697, 708928, 815936, 827648, 982832, 1138016, 1351394, 1417856, 1631872, 1965664, 2276032, 2702788, 2835712, 3263744, 3931328, 4552064, 5405576, 7862656, 9104128, 10811152, 15725312, 21622304, 43244608, 86489216, 172978432]

約数ペア:

[(1, 172978432), (2, 86489216), (4, 43244608), (8, 21622304), (11, 15725312), (16, 10811152), (19, 9104128), (22, 7862656), (32, 5405576), (38, 4552064), (44, 3931328), (53, 3263744), (61, 2835712), (64, 2702788), (76, 2276032), (88, 1965664), (106, 1631872), (122, 1417856), (128, 1351394), (152, 1138016), (176, 982832), (209, 827648), (212, 815936), (244, 708928), (256, 675697), (304, 569008), (352, 491416), (418, 413824), (424, 407968), (488, 354464), (583, 296704), (608, 284504), (671, 257792), (704, 245708), (836, 206912), (848, 203984), (976, 177232), (1007, 171776), (1159, 149248), (1166, 148352), (1216, 142252), (1342, 128896), (1408, 122854), (1672, 103456), (1696, 101992), (1952, 88616), (2014, 85888), (2318, 74624), (2332, 74176), (2432, 71126), (2684, 64448), (2816, 61427), (3233, 53504), (3344, 51728), (3392, 50996), (3904, 44308), (4028, 42944), (4636, 37312), (4664, 37088), (4864, 35563), (5368, 32224), (6466, 26752), (6688, 25864), (6784, 25498), (7808, 22154), (8056, 21472), (9272, 18656), (9328, 18544), (10736, 16112), (11077, 15616), (12749, 13568), (12932, 13376)]