654776080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:777

約数の個数: 160

約数和(自身を含む): 1862023680

約数和(自身を除く): 1207247600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 109, 112, 119, 136, 140, 170, 218, 238, 272, 280, 340, 436, 476, 545, 560, 595, 631, 680, 763, 872, 952, 1090, 1190, 1262, 1360, 1526, 1744, 1853, 1904, 2180, 2380, 2524, 3052, 3155, 3706, 3815, 4360, 4417, 4760, 5048, 6104, 6310, 7412, 7630, 8720, 8834, 9265, 9520, 10096, 10727, 12208, 12620, 12971, 14824, 15260, 17668, 18530, 21454, 22085, 25240, 25942, 29648, 30520, 35336, 37060, 42908, 44170, 50480, 51884, 53635, 61040, 64855, 68779, 70672, 74120, 75089, 85816, 88340, 103768, 107270, 129710, 137558, 148240, 150178, 171632, 176680, 207536, 214540, 259420, 275116, 300356, 343895, 353360, 375445, 429080, 481453, 518840, 550232, 600712, 687790, 750890, 858160, 962906, 1037680, 1100464, 1169243, 1201424, 1375580, 1501780, 1925812, 2338486, 2407265, 2751160, 3003560, 3851624, 4676972, 4814530, 5502320, 5846215, 6007120, 7703248, 8184701, 9353944, 9629060, 11692430, 16369402, 18707888, 19258120, 23384860, 32738804, 38516240, 40923505, 46769720, 65477608, 81847010, 93539440, 130955216, 163694020, 327388040, 654776080]

約数ペア:

[(1, 654776080), (2, 327388040), (4, 163694020), (5, 130955216), (7, 93539440), (8, 81847010), (10, 65477608), (14, 46769720), (16, 40923505), (17, 38516240), (20, 32738804), (28, 23384860), (34, 19258120), (35, 18707888), (40, 16369402), (56, 11692430), (68, 9629060), (70, 9353944), (80, 8184701), (85, 7703248), (109, 6007120), (112, 5846215), (119, 5502320), (136, 4814530), (140, 4676972), (170, 3851624), (218, 3003560), (238, 2751160), (272, 2407265), (280, 2338486), (340, 1925812), (436, 1501780), (476, 1375580), (545, 1201424), (560, 1169243), (595, 1100464), (631, 1037680), (680, 962906), (763, 858160), (872, 750890), (952, 687790), (1090, 600712), (1190, 550232), (1262, 518840), (1360, 481453), (1526, 429080), (1744, 375445), (1853, 353360), (1904, 343895), (2180, 300356), (2380, 275116), (2524, 259420), (3052, 214540), (3155, 207536), (3706, 176680), (3815, 171632), (4360, 150178), (4417, 148240), (4760, 137558), (5048, 129710), (6104, 107270), (6310, 103768), (7412, 88340), (7630, 85816), (8720, 75089), (8834, 74120), (9265, 70672), (9520, 68779), (10096, 64855), (10727, 61040), (12208, 53635), (12620, 51884), (12971, 50480), (14824, 44170), (15260, 42908), (17668, 37060), (18530, 35336), (21454, 30520), (22085, 29648), (25240, 25942)]