257439840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4507}}^1$

素因数の和:4549

約数の個数: 192

約数和(自身を含む): 981517824

約数和(自身を除く): 724077984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2856, 3360, 3570, 3808, 4080, 4507, 4760, 5712, 7140, 8160, 9014, 9520, 11424, 13521, 14280, 18028, 19040, 22535, 27042, 28560, 31549, 36056, 45070, 54084, 57120, 63098, 67605, 72112, 76619, 90140, 94647, 108168, 126196, 135210, 144224, 153238, 157745, 180280, 189294, 216336, 229857, 252392, 270420, 306476, 315490, 360560, 378588, 383095, 432672, 459714, 473235, 504784, 536333, 540840, 612952, 630980, 721120, 757176, 766190, 919428, 946470, 1009568, 1072666, 1081680, 1149285, 1225904, 1261960, 1514352, 1532380, 1608999, 1838856, 1892940, 2145332, 2163360, 2298570, 2451808, 2523920, 2681665, 3028704, 3064760, 3217998, 3677712, 3785880, 4290664, 4597140, 5047840, 5363330, 6129520, 6435996, 7355424, 7571760, 8044995, 8581328, 9194280, 10726660, 12259040, 12871992, 15143520, 16089990, 17162656, 18388560, 21453320, 25743984, 32179980, 36777120, 42906640, 51487968, 64359960, 85813280, 128719920, 257439840]

約数ペア:

[(1, 257439840), (2, 128719920), (3, 85813280), (4, 64359960), (5, 51487968), (6, 42906640), (7, 36777120), (8, 32179980), (10, 25743984), (12, 21453320), (14, 18388560), (15, 17162656), (16, 16089990), (17, 15143520), (20, 12871992), (21, 12259040), (24, 10726660), (28, 9194280), (30, 8581328), (32, 8044995), (34, 7571760), (35, 7355424), (40, 6435996), (42, 6129520), (48, 5363330), (51, 5047840), (56, 4597140), (60, 4290664), (68, 3785880), (70, 3677712), (80, 3217998), (84, 3064760), (85, 3028704), (96, 2681665), (102, 2523920), (105, 2451808), (112, 2298570), (119, 2163360), (120, 2145332), (136, 1892940), (140, 1838856), (160, 1608999), (168, 1532380), (170, 1514352), (204, 1261960), (210, 1225904), (224, 1149285), (238, 1081680), (240, 1072666), (255, 1009568), (272, 946470), (280, 919428), (336, 766190), (340, 757176), (357, 721120), (408, 630980), (420, 612952), (476, 540840), (480, 536333), (510, 504784), (544, 473235), (560, 459714), (595, 432672), (672, 383095), (680, 378588), (714, 360560), (816, 315490), (840, 306476), (952, 270420), (1020, 252392), (1120, 229857), (1190, 216336), (1360, 189294), (1428, 180280), (1632, 157745), (1680, 153238), (1785, 144224), (1904, 135210), (2040, 126196), (2380, 108168), (2720, 94647), (2856, 90140), (3360, 76619), (3570, 72112), (3808, 67605), (4080, 63098), (4507, 57120), (4760, 54084), (5712, 45070), (7140, 36056), (8160, 31549), (9014, 28560), (9520, 27042), (11424, 22535), (13521, 19040), (14280, 18028)]