265284080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 687009600

約数和(自身を除く): 421725520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 53, 74, 76, 80, 89, 95, 106, 148, 152, 178, 185, 190, 212, 265, 296, 304, 356, 370, 380, 424, 445, 530, 592, 703, 712, 740, 760, 848, 890, 1007, 1060, 1406, 1424, 1480, 1520, 1691, 1780, 1961, 2014, 2120, 2812, 2960, 3293, 3382, 3515, 3560, 3922, 4028, 4240, 4717, 5035, 5624, 6586, 6764, 7030, 7120, 7844, 8056, 8455, 9434, 9805, 10070, 11248, 13172, 13528, 14060, 15688, 16112, 16465, 16910, 18868, 19610, 20140, 23585, 26344, 27056, 28120, 31376, 32930, 33820, 37259, 37736, 39220, 40280, 47170, 52688, 56240, 62567, 65860, 67640, 74518, 75472, 78440, 80560, 89623, 94340, 125134, 131720, 135280, 149036, 156880, 174529, 179246, 186295, 188680, 250268, 263440, 298072, 312835, 349058, 358492, 372590, 377360, 448115, 500536, 596144, 625670, 698116, 716984, 745180, 872645, 896230, 1001072, 1251340, 1396232, 1433968, 1490360, 1745290, 1792460, 2502680, 2792464, 2980720, 3316051, 3490580, 3584920, 5005360, 6632102, 6981160, 7169840, 13264204, 13962320, 16580255, 26528408, 33160510, 53056816, 66321020, 132642040, 265284080]

約数ペア:

[(1, 265284080), (2, 132642040), (4, 66321020), (5, 53056816), (8, 33160510), (10, 26528408), (16, 16580255), (19, 13962320), (20, 13264204), (37, 7169840), (38, 6981160), (40, 6632102), (53, 5005360), (74, 3584920), (76, 3490580), (80, 3316051), (89, 2980720), (95, 2792464), (106, 2502680), (148, 1792460), (152, 1745290), (178, 1490360), (185, 1433968), (190, 1396232), (212, 1251340), (265, 1001072), (296, 896230), (304, 872645), (356, 745180), (370, 716984), (380, 698116), (424, 625670), (445, 596144), (530, 500536), (592, 448115), (703, 377360), (712, 372590), (740, 358492), (760, 349058), (848, 312835), (890, 298072), (1007, 263440), (1060, 250268), (1406, 188680), (1424, 186295), (1480, 179246), (1520, 174529), (1691, 156880), (1780, 149036), (1961, 135280), (2014, 131720), (2120, 125134), (2812, 94340), (2960, 89623), (3293, 80560), (3382, 78440), (3515, 75472), (3560, 74518), (3922, 67640), (4028, 65860), (4240, 62567), (4717, 56240), (5035, 52688), (5624, 47170), (6586, 40280), (6764, 39220), (7030, 37736), (7120, 37259), (7844, 33820), (8056, 32930), (8455, 31376), (9434, 28120), (9805, 27056), (10070, 26344), (11248, 23585), (13172, 20140), (13528, 19610), (14060, 18868), (15688, 16910), (16112, 16465)]