80895120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 263983104

約数和(自身を除く): 183087984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 131, 155, 166, 186, 240, 248, 249, 262, 310, 332, 372, 393, 415, 465, 496, 498, 524, 620, 655, 664, 744, 786, 830, 930, 996, 1048, 1240, 1245, 1310, 1328, 1488, 1572, 1660, 1860, 1965, 1992, 2096, 2480, 2490, 2573, 2620, 3144, 3320, 3720, 3930, 3984, 4061, 4980, 5146, 5240, 6288, 6640, 7440, 7719, 7860, 8122, 9960, 10292, 10480, 10873, 12183, 12865, 15438, 15720, 16244, 19920, 20305, 20584, 21746, 24366, 25730, 30876, 31440, 32488, 32619, 38595, 40610, 41168, 43492, 48732, 51460, 54365, 60915, 61752, 64976, 65238, 77190, 81220, 86984, 97464, 102920, 108730, 121830, 123504, 130476, 154380, 162440, 163095, 173968, 194928, 205840, 217460, 243660, 260952, 308760, 324880, 326190, 337063, 434920, 487320, 521904, 617520, 652380, 674126, 869840, 974640, 1011189, 1304760, 1348252, 1685315, 2022378, 2609520, 2696504, 3370630, 4044756, 5055945, 5393008, 6741260, 8089512, 10111890, 13482520, 16179024, 20223780, 26965040, 40447560, 80895120]

約数ペア:

[(1, 80895120), (2, 40447560), (3, 26965040), (4, 20223780), (5, 16179024), (6, 13482520), (8, 10111890), (10, 8089512), (12, 6741260), (15, 5393008), (16, 5055945), (20, 4044756), (24, 3370630), (30, 2696504), (31, 2609520), (40, 2022378), (48, 1685315), (60, 1348252), (62, 1304760), (80, 1011189), (83, 974640), (93, 869840), (120, 674126), (124, 652380), (131, 617520), (155, 521904), (166, 487320), (186, 434920), (240, 337063), (248, 326190), (249, 324880), (262, 308760), (310, 260952), (332, 243660), (372, 217460), (393, 205840), (415, 194928), (465, 173968), (496, 163095), (498, 162440), (524, 154380), (620, 130476), (655, 123504), (664, 121830), (744, 108730), (786, 102920), (830, 97464), (930, 86984), (996, 81220), (1048, 77190), (1240, 65238), (1245, 64976), (1310, 61752), (1328, 60915), (1488, 54365), (1572, 51460), (1660, 48732), (1860, 43492), (1965, 41168), (1992, 40610), (2096, 38595), (2480, 32619), (2490, 32488), (2573, 31440), (2620, 30876), (3144, 25730), (3320, 24366), (3720, 21746), (3930, 20584), (3984, 20305), (4061, 19920), (4980, 16244), (5146, 15720), (5240, 15438), (6288, 12865), (6640, 12183), (7440, 10873), (7719, 10480), (7860, 10292), (8122, 9960)]