68876720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 188987904

約数和(自身を除く): 120111184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 41, 44, 46, 55, 80, 82, 83, 88, 92, 110, 115, 164, 166, 176, 184, 205, 220, 230, 253, 328, 332, 368, 410, 415, 440, 451, 460, 506, 656, 664, 820, 830, 880, 902, 913, 920, 943, 1012, 1265, 1328, 1640, 1660, 1804, 1826, 1840, 1886, 1909, 2024, 2255, 2530, 3280, 3320, 3403, 3608, 3652, 3772, 3818, 4048, 4510, 4565, 4715, 5060, 6640, 6806, 7216, 7304, 7544, 7636, 9020, 9130, 9430, 9545, 10120, 10373, 13612, 14608, 15088, 15272, 17015, 18040, 18260, 18860, 19090, 20240, 20746, 20999, 27224, 30544, 34030, 36080, 36520, 37433, 37720, 38180, 41492, 41998, 51865, 54448, 68060, 73040, 74866, 75440, 76360, 78269, 82984, 83996, 103730, 104995, 136120, 149732, 152720, 156538, 165968, 167992, 187165, 207460, 209990, 272240, 299464, 313076, 335984, 374330, 391345, 414920, 419980, 598928, 626152, 748660, 782690, 829840, 839960, 860959, 1252304, 1497320, 1565380, 1679920, 1721918, 2994640, 3130760, 3443836, 4304795, 6261520, 6887672, 8609590, 13775344, 17219180, 34438360, 68876720]

約数ペア:

[(1, 68876720), (2, 34438360), (4, 17219180), (5, 13775344), (8, 8609590), (10, 6887672), (11, 6261520), (16, 4304795), (20, 3443836), (22, 3130760), (23, 2994640), (40, 1721918), (41, 1679920), (44, 1565380), (46, 1497320), (55, 1252304), (80, 860959), (82, 839960), (83, 829840), (88, 782690), (92, 748660), (110, 626152), (115, 598928), (164, 419980), (166, 414920), (176, 391345), (184, 374330), (205, 335984), (220, 313076), (230, 299464), (253, 272240), (328, 209990), (332, 207460), (368, 187165), (410, 167992), (415, 165968), (440, 156538), (451, 152720), (460, 149732), (506, 136120), (656, 104995), (664, 103730), (820, 83996), (830, 82984), (880, 78269), (902, 76360), (913, 75440), (920, 74866), (943, 73040), (1012, 68060), (1265, 54448), (1328, 51865), (1640, 41998), (1660, 41492), (1804, 38180), (1826, 37720), (1840, 37433), (1886, 36520), (1909, 36080), (2024, 34030), (2255, 30544), (2530, 27224), (3280, 20999), (3320, 20746), (3403, 20240), (3608, 19090), (3652, 18860), (3772, 18260), (3818, 18040), (4048, 17015), (4510, 15272), (4565, 15088), (4715, 14608), (5060, 13612), (6640, 10373), (6806, 10120), (7216, 9545), (7304, 9430), (7544, 9130), (7636, 9020)]