145128760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 393724800

約数和(自身を除く): 248596040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 61, 70, 116, 122, 140, 145, 203, 232, 244, 280, 290, 293, 305, 406, 427, 488, 580, 586, 610, 812, 854, 1015, 1160, 1172, 1220, 1465, 1624, 1708, 1769, 2030, 2051, 2135, 2344, 2440, 2930, 3416, 3538, 4060, 4102, 4270, 5860, 7076, 8120, 8204, 8497, 8540, 8845, 10255, 11720, 12383, 14152, 16408, 16994, 17080, 17690, 17873, 20510, 24766, 33988, 35380, 35746, 41020, 42485, 49532, 59479, 61915, 67976, 70760, 71492, 82040, 84970, 89365, 99064, 118958, 123830, 125111, 142984, 169940, 178730, 237916, 247660, 250222, 297395, 339880, 357460, 475832, 495320, 500444, 518317, 594790, 625555, 714920, 1000888, 1036634, 1189580, 1251110, 2073268, 2379160, 2502220, 2591585, 3628219, 4146536, 5004440, 5183170, 7256438, 10366340, 14512876, 18141095, 20732680, 29025752, 36282190, 72564380, 145128760]

約数ペア:

[(1, 145128760), (2, 72564380), (4, 36282190), (5, 29025752), (7, 20732680), (8, 18141095), (10, 14512876), (14, 10366340), (20, 7256438), (28, 5183170), (29, 5004440), (35, 4146536), (40, 3628219), (56, 2591585), (58, 2502220), (61, 2379160), (70, 2073268), (116, 1251110), (122, 1189580), (140, 1036634), (145, 1000888), (203, 714920), (232, 625555), (244, 594790), (280, 518317), (290, 500444), (293, 495320), (305, 475832), (406, 357460), (427, 339880), (488, 297395), (580, 250222), (586, 247660), (610, 237916), (812, 178730), (854, 169940), (1015, 142984), (1160, 125111), (1172, 123830), (1220, 118958), (1465, 99064), (1624, 89365), (1708, 84970), (1769, 82040), (2030, 71492), (2051, 70760), (2135, 67976), (2344, 61915), (2440, 59479), (2930, 49532), (3416, 42485), (3538, 41020), (4060, 35746), (4102, 35380), (4270, 33988), (5860, 24766), (7076, 20510), (8120, 17873), (8204, 17690), (8497, 17080), (8540, 16994), (8845, 16408), (10255, 14152), (11720, 12383)]