80151720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1547

約数の個数: 128

約数和(自身を含む): 268894080

約数和(自身を除く): 188742360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1230, 1320, 1353, 1481, 1640, 1804, 2255, 2460, 2706, 2962, 3608, 4443, 4510, 4920, 5412, 5924, 6765, 7405, 8886, 9020, 10824, 11848, 13530, 14810, 16291, 17772, 18040, 22215, 27060, 29620, 32582, 35544, 44430, 48873, 54120, 59240, 60721, 65164, 81455, 88860, 97746, 121442, 130328, 162910, 177720, 182163, 195492, 242884, 244365, 303605, 325820, 364326, 390984, 485768, 488730, 607210, 651640, 667931, 728652, 910815, 977460, 1214420, 1335862, 1457304, 1821630, 1954920, 2003793, 2428840, 2671724, 3339655, 3643260, 4007586, 5343448, 6679310, 7286520, 8015172, 10018965, 13358620, 16030344, 20037930, 26717240, 40075860, 80151720]

約数ペア:

[(1, 80151720), (2, 40075860), (3, 26717240), (4, 20037930), (5, 16030344), (6, 13358620), (8, 10018965), (10, 8015172), (11, 7286520), (12, 6679310), (15, 5343448), (20, 4007586), (22, 3643260), (24, 3339655), (30, 2671724), (33, 2428840), (40, 2003793), (41, 1954920), (44, 1821630), (55, 1457304), (60, 1335862), (66, 1214420), (82, 977460), (88, 910815), (110, 728652), (120, 667931), (123, 651640), (132, 607210), (164, 488730), (165, 485768), (205, 390984), (220, 364326), (246, 325820), (264, 303605), (328, 244365), (330, 242884), (410, 195492), (440, 182163), (451, 177720), (492, 162910), (615, 130328), (660, 121442), (820, 97746), (902, 88860), (984, 81455), (1230, 65164), (1320, 60721), (1353, 59240), (1481, 54120), (1640, 48873), (1804, 44430), (2255, 35544), (2460, 32582), (2706, 29620), (2962, 27060), (3608, 22215), (4443, 18040), (4510, 17772), (4920, 16291), (5412, 14810), (5924, 13530), (6765, 11848), (7405, 10824), (8886, 9020)]