128719920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4507}}^1$

素因数の和:4547

約数の個数: 160

約数和(自身を含む): 482969088

約数和(自身を除く): 354249168

約数列:

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

約数ペア:

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