54177760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 160157088

約数和(自身を除く): 105979328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 160, 182, 208, 224, 244, 260, 280, 305, 364, 416, 427, 455, 488, 520, 560, 610, 728, 793, 854, 910, 976, 1040, 1120, 1220, 1456, 1586, 1708, 1820, 1952, 2080, 2135, 2440, 2912, 3172, 3416, 3640, 3721, 3965, 4270, 4880, 5551, 6344, 6832, 7280, 7442, 7930, 8540, 9760, 11102, 12688, 13664, 14560, 14884, 15860, 17080, 18605, 22204, 25376, 26047, 27755, 29768, 31720, 34160, 37210, 44408, 48373, 52094, 55510, 59536, 63440, 68320, 74420, 88816, 96746, 104188, 111020, 119072, 126880, 130235, 148840, 177632, 193492, 208376, 222040, 241865, 260470, 297680, 338611, 386984, 416752, 444080, 483730, 520940, 595360, 677222, 773968, 833504, 888160, 967460, 1041880, 1354444, 1547936, 1693055, 1934920, 2083760, 2708888, 3386110, 3869840, 4167520, 5417776, 6772220, 7739680, 10835552, 13544440, 27088880, 54177760]

約数ペア:

[(1, 54177760), (2, 27088880), (4, 13544440), (5, 10835552), (7, 7739680), (8, 6772220), (10, 5417776), (13, 4167520), (14, 3869840), (16, 3386110), (20, 2708888), (26, 2083760), (28, 1934920), (32, 1693055), (35, 1547936), (40, 1354444), (52, 1041880), (56, 967460), (61, 888160), (65, 833504), (70, 773968), (80, 677222), (91, 595360), (104, 520940), (112, 483730), (122, 444080), (130, 416752), (140, 386984), (160, 338611), (182, 297680), (208, 260470), (224, 241865), (244, 222040), (260, 208376), (280, 193492), (305, 177632), (364, 148840), (416, 130235), (427, 126880), (455, 119072), (488, 111020), (520, 104188), (560, 96746), (610, 88816), (728, 74420), (793, 68320), (854, 63440), (910, 59536), (976, 55510), (1040, 52094), (1120, 48373), (1220, 44408), (1456, 37210), (1586, 34160), (1708, 31720), (1820, 29768), (1952, 27755), (2080, 26047), (2135, 25376), (2440, 22204), (2912, 18605), (3172, 17080), (3416, 15860), (3640, 14884), (3721, 14560), (3965, 13664), (4270, 12688), (4880, 11102), (5551, 9760), (6344, 8540), (6832, 7930), (7280, 7442)]