159836720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 396055008

約数和(自身を除く): 236218288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 340, 422, 557, 680, 844, 1055, 1114, 1360, 1688, 2110, 2228, 2785, 3376, 3587, 4220, 4456, 5570, 7174, 8440, 8912, 9469, 11140, 14348, 16880, 17935, 18938, 22280, 28696, 35870, 37876, 44560, 47345, 57392, 71740, 75752, 94690, 117527, 143480, 151504, 189380, 235054, 286960, 378760, 470108, 587635, 757520, 940216, 1175270, 1880432, 1997959, 2350540, 3995918, 4701080, 7991836, 9402160, 9989795, 15983672, 19979590, 31967344, 39959180, 79918360, 159836720]

約数ペア:

[(1, 159836720), (2, 79918360), (4, 39959180), (5, 31967344), (8, 19979590), (10, 15983672), (16, 9989795), (17, 9402160), (20, 7991836), (34, 4701080), (40, 3995918), (68, 2350540), (80, 1997959), (85, 1880432), (136, 1175270), (170, 940216), (211, 757520), (272, 587635), (340, 470108), (422, 378760), (557, 286960), (680, 235054), (844, 189380), (1055, 151504), (1114, 143480), (1360, 117527), (1688, 94690), (2110, 75752), (2228, 71740), (2785, 57392), (3376, 47345), (3587, 44560), (4220, 37876), (4456, 35870), (5570, 28696), (7174, 22280), (8440, 18938), (8912, 17935), (9469, 16880), (11140, 14348)]