204023120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:805

約数の個数: 160

約数和(自身を含む): 594604800

約数和(自身を除く): 390581680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 80, 85, 112, 116, 119, 136, 140, 145, 170, 203, 232, 238, 272, 280, 290, 340, 406, 464, 476, 493, 560, 580, 595, 680, 739, 812, 952, 986, 1015, 1160, 1190, 1360, 1478, 1624, 1904, 1972, 2030, 2320, 2380, 2465, 2956, 3248, 3451, 3695, 3944, 4060, 4760, 4930, 5173, 5912, 6902, 7390, 7888, 8120, 9520, 9860, 10346, 11824, 12563, 13804, 14780, 16240, 17255, 19720, 20692, 21431, 25126, 25865, 27608, 29560, 34510, 39440, 41384, 42862, 50252, 51730, 55216, 59120, 62815, 69020, 82768, 85724, 87941, 100504, 103460, 107155, 125630, 138040, 150017, 171448, 175882, 201008, 206920, 214310, 251260, 276080, 300034, 342896, 351764, 364327, 413840, 428620, 439705, 502520, 600068, 703528, 728654, 750085, 857240, 879410, 1005040, 1200136, 1407056, 1457308, 1500170, 1714480, 1758820, 1821635, 2400272, 2550289, 2914616, 3000340, 3517640, 3643270, 5100578, 5829232, 6000680, 7035280, 7286540, 10201156, 12001360, 12751445, 14573080, 20402312, 25502890, 29146160, 40804624, 51005780, 102011560, 204023120]

約数ペア:

[(1, 204023120), (2, 102011560), (4, 51005780), (5, 40804624), (7, 29146160), (8, 25502890), (10, 20402312), (14, 14573080), (16, 12751445), (17, 12001360), (20, 10201156), (28, 7286540), (29, 7035280), (34, 6000680), (35, 5829232), (40, 5100578), (56, 3643270), (58, 3517640), (68, 3000340), (70, 2914616), (80, 2550289), (85, 2400272), (112, 1821635), (116, 1758820), (119, 1714480), (136, 1500170), (140, 1457308), (145, 1407056), (170, 1200136), (203, 1005040), (232, 879410), (238, 857240), (272, 750085), (280, 728654), (290, 703528), (340, 600068), (406, 502520), (464, 439705), (476, 428620), (493, 413840), (560, 364327), (580, 351764), (595, 342896), (680, 300034), (739, 276080), (812, 251260), (952, 214310), (986, 206920), (1015, 201008), (1160, 175882), (1190, 171448), (1360, 150017), (1478, 138040), (1624, 125630), (1904, 107155), (1972, 103460), (2030, 100504), (2320, 87941), (2380, 85724), (2465, 82768), (2956, 69020), (3248, 62815), (3451, 59120), (3695, 55216), (3944, 51730), (4060, 50252), (4760, 42862), (4930, 41384), (5173, 39440), (5912, 34510), (6902, 29560), (7390, 27608), (7888, 25865), (8120, 25126), (9520, 21431), (9860, 20692), (10346, 19720), (11824, 17255), (12563, 16240), (13804, 14780)]