20120681760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{136541}}^1$

素因数の和:136866

約数の個数: 96

約数和(自身を含む): 63587063232

約数和(自身を除く): 43466381472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 307, 480, 614, 921, 1228, 1535, 1842, 2456, 3070, 3684, 4605, 4912, 6140, 7368, 9210, 9824, 12280, 14736, 18420, 24560, 29472, 36840, 49120, 73680, 136541, 147360, 273082, 409623, 546164, 682705, 819246, 1092328, 1365410, 1638492, 2048115, 2184656, 2730820, 3276984, 4096230, 4369312, 5461640, 6553968, 8192460, 10923280, 13107936, 16384920, 21846560, 32769840, 41918087, 65539680, 83836174, 125754261, 167672348, 209590435, 251508522, 335344696, 419180870, 503017044, 628771305, 670689392, 838361740, 1006034088, 1257542610, 1341378784, 1676723480, 2012068176, 2515085220, 3353446960, 4024136352, 5030170440, 6706893920, 10060340880, 20120681760]

約数ペア:

[(1, 20120681760), (2, 10060340880), (3, 6706893920), (4, 5030170440), (5, 4024136352), (6, 3353446960), (8, 2515085220), (10, 2012068176), (12, 1676723480), (15, 1341378784), (16, 1257542610), (20, 1006034088), (24, 838361740), (30, 670689392), (32, 628771305), (40, 503017044), (48, 419180870), (60, 335344696), (80, 251508522), (96, 209590435), (120, 167672348), (160, 125754261), (240, 83836174), (307, 65539680), (480, 41918087), (614, 32769840), (921, 21846560), (1228, 16384920), (1535, 13107936), (1842, 10923280), (2456, 8192460), (3070, 6553968), (3684, 5461640), (4605, 4369312), (4912, 4096230), (6140, 3276984), (7368, 2730820), (9210, 2184656), (9824, 2048115), (12280, 1638492), (14736, 1365410), (18420, 1092328), (24560, 819246), (29472, 682705), (36840, 546164), (49120, 409623), (73680, 273082), (136541, 147360)]