79903120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 218557440

約数和(自身を除く): 138654320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 40, 44, 55, 58, 62, 80, 88, 101, 110, 116, 124, 145, 155, 176, 202, 220, 232, 248, 290, 310, 319, 341, 404, 440, 464, 496, 505, 580, 620, 638, 682, 808, 880, 899, 1010, 1111, 1160, 1240, 1276, 1364, 1595, 1616, 1705, 1798, 2020, 2222, 2320, 2480, 2552, 2728, 2929, 3131, 3190, 3410, 3596, 4040, 4444, 4495, 5104, 5456, 5555, 5858, 6262, 6380, 6820, 7192, 8080, 8888, 8990, 9889, 11110, 11716, 12524, 12760, 13640, 14384, 14645, 15655, 17776, 17980, 19778, 22220, 23432, 25048, 25520, 27280, 29290, 31310, 32219, 34441, 35960, 39556, 44440, 46864, 49445, 50096, 58580, 62620, 64438, 68882, 71920, 79112, 88880, 90799, 98890, 117160, 125240, 128876, 137764, 158224, 161095, 172205, 181598, 197780, 234320, 250480, 257752, 275528, 322190, 344410, 363196, 395560, 453995, 515504, 551056, 644380, 688820, 726392, 791120, 907990, 998789, 1288760, 1377640, 1452784, 1815980, 1997578, 2577520, 2755280, 3631960, 3995156, 4993945, 7263920, 7990312, 9987890, 15980624, 19975780, 39951560, 79903120]

約数ペア:

[(1, 79903120), (2, 39951560), (4, 19975780), (5, 15980624), (8, 9987890), (10, 7990312), (11, 7263920), (16, 4993945), (20, 3995156), (22, 3631960), (29, 2755280), (31, 2577520), (40, 1997578), (44, 1815980), (55, 1452784), (58, 1377640), (62, 1288760), (80, 998789), (88, 907990), (101, 791120), (110, 726392), (116, 688820), (124, 644380), (145, 551056), (155, 515504), (176, 453995), (202, 395560), (220, 363196), (232, 344410), (248, 322190), (290, 275528), (310, 257752), (319, 250480), (341, 234320), (404, 197780), (440, 181598), (464, 172205), (496, 161095), (505, 158224), (580, 137764), (620, 128876), (638, 125240), (682, 117160), (808, 98890), (880, 90799), (899, 88880), (1010, 79112), (1111, 71920), (1160, 68882), (1240, 64438), (1276, 62620), (1364, 58580), (1595, 50096), (1616, 49445), (1705, 46864), (1798, 44440), (2020, 39556), (2222, 35960), (2320, 34441), (2480, 32219), (2552, 31310), (2728, 29290), (2929, 27280), (3131, 25520), (3190, 25048), (3410, 23432), (3596, 22220), (4040, 19778), (4444, 17980), (4495, 17776), (5104, 15655), (5456, 14645), (5555, 14384), (5858, 13640), (6262, 12760), (6380, 12524), (6820, 11716), (7192, 11110), (8080, 9889), (8888, 8990)]