64206800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 120

約数和(自身を含む): 184142976

約数和(自身を除く): 119936176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 997, 1150, 1288, 1400, 1610, 1840, 1994, 2300, 2576, 2800, 3220, 3988, 4025, 4600, 4985, 6440, 6979, 7976, 8050, 9200, 9970, 12880, 13958, 15952, 16100, 19940, 22931, 24925, 27916, 32200, 34895, 39880, 45862, 49850, 55832, 64400, 69790, 79760, 91724, 99700, 111664, 114655, 139580, 160517, 174475, 183448, 199400, 229310, 279160, 321034, 348950, 366896, 398800, 458620, 558320, 573275, 642068, 697900, 802585, 917240, 1146550, 1284136, 1395800, 1605170, 1834480, 2293100, 2568272, 2791600, 3210340, 4012925, 4586200, 6420680, 8025850, 9172400, 12841360, 16051700, 32103400, 64206800]

約数ペア:

[(1, 64206800), (2, 32103400), (4, 16051700), (5, 12841360), (7, 9172400), (8, 8025850), (10, 6420680), (14, 4586200), (16, 4012925), (20, 3210340), (23, 2791600), (25, 2568272), (28, 2293100), (35, 1834480), (40, 1605170), (46, 1395800), (50, 1284136), (56, 1146550), (70, 917240), (80, 802585), (92, 697900), (100, 642068), (112, 573275), (115, 558320), (140, 458620), (161, 398800), (175, 366896), (184, 348950), (200, 321034), (230, 279160), (280, 229310), (322, 199400), (350, 183448), (368, 174475), (400, 160517), (460, 139580), (560, 114655), (575, 111664), (644, 99700), (700, 91724), (805, 79760), (920, 69790), (997, 64400), (1150, 55832), (1288, 49850), (1400, 45862), (1610, 39880), (1840, 34895), (1994, 32200), (2300, 27916), (2576, 24925), (2800, 22931), (3220, 19940), (3988, 16100), (4025, 15952), (4600, 13958), (4985, 12880), (6440, 9970), (6979, 9200), (7976, 8050)]