156979140880

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{761}}^1\times {\mathrm{8291}}^1$

素因数の和:9376

約数の個数: 80

約数和(自身を含む): 366675424128

約数和(自身を除く): 209696283248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 761, 1244, 1522, 1555, 2488, 3044, 3110, 3805, 4976, 6088, 6220, 7610, 8291, 12176, 12440, 15220, 16582, 24880, 30440, 33164, 41455, 60880, 66328, 82910, 132656, 165820, 236671, 331640, 473342, 663280, 946684, 1183355, 1893368, 2366710, 2578501, 3786736, 4733420, 5157002, 6309451, 9466840, 10314004, 12618902, 12892505, 18933680, 20628008, 25237804, 25785010, 31547255, 41256016, 50475608, 51570020, 63094510, 100951216, 103140040, 126189020, 206280080, 252378040, 504756080, 1962239261, 3924478522, 7848957044, 9811196305, 15697914088, 19622392610, 31395828176, 39244785220, 78489570440, 156979140880]

約数ペア:

[(1, 156979140880), (2, 78489570440), (4, 39244785220), (5, 31395828176), (8, 19622392610), (10, 15697914088), (16, 9811196305), (20, 7848957044), (40, 3924478522), (80, 1962239261), (311, 504756080), (622, 252378040), (761, 206280080), (1244, 126189020), (1522, 103140040), (1555, 100951216), (2488, 63094510), (3044, 51570020), (3110, 50475608), (3805, 41256016), (4976, 31547255), (6088, 25785010), (6220, 25237804), (7610, 20628008), (8291, 18933680), (12176, 12892505), (12440, 12618902), (15220, 10314004), (16582, 9466840), (24880, 6309451), (30440, 5157002), (33164, 4733420), (41455, 3786736), (60880, 2578501), (66328, 2366710), (82910, 1893368), (132656, 1183355), (165820, 946684), (236671, 663280), (331640, 473342)]