61536440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 171072000

約数和(自身を除く): 109535560

約数列:

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

約数ペア:

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