123072880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 160

約数和(自身を含む): 353548800

約数和(自身を除く): 230475920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 172, 190, 215, 266, 269, 280, 301, 304, 344, 380, 430, 532, 538, 560, 602, 665, 688, 760, 817, 860, 1064, 1076, 1204, 1330, 1345, 1505, 1520, 1634, 1720, 1883, 2128, 2152, 2408, 2660, 2690, 3010, 3268, 3440, 3766, 4085, 4304, 4816, 5111, 5320, 5380, 5719, 6020, 6536, 7532, 8170, 9415, 10222, 10640, 10760, 11438, 11567, 12040, 13072, 15064, 16340, 18830, 20444, 21520, 22876, 23134, 24080, 25555, 28595, 30128, 32680, 35777, 37660, 40888, 45752, 46268, 51110, 57190, 57835, 65360, 71554, 75320, 80969, 81776, 91504, 92536, 102220, 114380, 115670, 143108, 150640, 161938, 178885, 185072, 204440, 219773, 228760, 231340, 286216, 323876, 357770, 404845, 408880, 439546, 457520, 462680, 572432, 647752, 715540, 809690, 879092, 925360, 1098865, 1295504, 1431080, 1538411, 1619380, 1758184, 2197730, 2862160, 3076822, 3238760, 3516368, 4395460, 6153644, 6477520, 7692055, 8790920, 12307288, 15384110, 17581840, 24614576, 30768220, 61536440, 123072880]

約数ペア:

[(1, 123072880), (2, 61536440), (4, 30768220), (5, 24614576), (7, 17581840), (8, 15384110), (10, 12307288), (14, 8790920), (16, 7692055), (19, 6477520), (20, 6153644), (28, 4395460), (35, 3516368), (38, 3238760), (40, 3076822), (43, 2862160), (56, 2197730), (70, 1758184), (76, 1619380), (80, 1538411), (86, 1431080), (95, 1295504), (112, 1098865), (133, 925360), (140, 879092), (152, 809690), (172, 715540), (190, 647752), (215, 572432), (266, 462680), (269, 457520), (280, 439546), (301, 408880), (304, 404845), (344, 357770), (380, 323876), (430, 286216), (532, 231340), (538, 228760), (560, 219773), (602, 204440), (665, 185072), (688, 178885), (760, 161938), (817, 150640), (860, 143108), (1064, 115670), (1076, 114380), (1204, 102220), (1330, 92536), (1345, 91504), (1505, 81776), (1520, 80969), (1634, 75320), (1720, 71554), (1883, 65360), (2128, 57835), (2152, 57190), (2408, 51110), (2660, 46268), (2690, 45752), (3010, 40888), (3268, 37660), (3440, 35777), (3766, 32680), (4085, 30128), (4304, 28595), (4816, 25555), (5111, 24080), (5320, 23134), (5380, 22876), (5719, 21520), (6020, 20444), (6536, 18830), (7532, 16340), (8170, 15064), (9415, 13072), (10222, 12040), (10640, 11567), (10760, 11438)]