428695120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:970

約数の個数: 160

約数和(自身を含む): 1232064000

約数和(自身を除く): 803368880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 343, 392, 476, 490, 560, 595, 680, 686, 784, 833, 919, 952, 980, 1190, 1360, 1372, 1666, 1715, 1838, 1904, 1960, 2380, 2744, 3332, 3430, 3676, 3920, 4165, 4595, 4760, 5488, 5831, 6433, 6664, 6860, 7352, 8330, 9190, 9520, 11662, 12866, 13328, 13720, 14704, 15623, 16660, 18380, 23324, 25732, 27440, 29155, 31246, 32165, 33320, 36760, 45031, 46648, 51464, 58310, 62492, 64330, 66640, 73520, 78115, 90062, 93296, 102928, 109361, 116620, 124984, 128660, 156230, 180124, 218722, 225155, 233240, 249968, 257320, 312460, 315217, 360248, 437444, 450310, 466480, 514640, 546805, 624920, 630434, 720496, 765527, 874888, 900620, 1093610, 1249840, 1260868, 1531054, 1576085, 1749776, 1801240, 2187220, 2521736, 3062108, 3152170, 3602480, 3827635, 4374440, 5043472, 5358689, 6124216, 6304340, 7655270, 8748880, 10717378, 12248432, 12608680, 15310540, 21434756, 25217360, 26793445, 30621080, 42869512, 53586890, 61242160, 85739024, 107173780, 214347560, 428695120]

約数ペア:

[(1, 428695120), (2, 214347560), (4, 107173780), (5, 85739024), (7, 61242160), (8, 53586890), (10, 42869512), (14, 30621080), (16, 26793445), (17, 25217360), (20, 21434756), (28, 15310540), (34, 12608680), (35, 12248432), (40, 10717378), (49, 8748880), (56, 7655270), (68, 6304340), (70, 6124216), (80, 5358689), (85, 5043472), (98, 4374440), (112, 3827635), (119, 3602480), (136, 3152170), (140, 3062108), (170, 2521736), (196, 2187220), (238, 1801240), (245, 1749776), (272, 1576085), (280, 1531054), (340, 1260868), (343, 1249840), (392, 1093610), (476, 900620), (490, 874888), (560, 765527), (595, 720496), (680, 630434), (686, 624920), (784, 546805), (833, 514640), (919, 466480), (952, 450310), (980, 437444), (1190, 360248), (1360, 315217), (1372, 312460), (1666, 257320), (1715, 249968), (1838, 233240), (1904, 225155), (1960, 218722), (2380, 180124), (2744, 156230), (3332, 128660), (3430, 124984), (3676, 116620), (3920, 109361), (4165, 102928), (4595, 93296), (4760, 90062), (5488, 78115), (5831, 73520), (6433, 66640), (6664, 64330), (6860, 62492), (7352, 58310), (8330, 51464), (9190, 46648), (9520, 45031), (11662, 36760), (12866, 33320), (13328, 32165), (13720, 31246), (14704, 29155), (15623, 27440), (16660, 25732), (18380, 23324)]