147829280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 389914560

約数和(自身を除く): 242085280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 139, 160, 170, 184, 230, 272, 278, 289, 340, 368, 391, 460, 544, 556, 578, 680, 695, 736, 782, 920, 1112, 1156, 1360, 1390, 1445, 1564, 1840, 1955, 2224, 2312, 2363, 2720, 2780, 2890, 3128, 3197, 3680, 3910, 4448, 4624, 4726, 5560, 5780, 6256, 6394, 6647, 7820, 9248, 9452, 11120, 11560, 11815, 12512, 12788, 13294, 15640, 15985, 18904, 22240, 23120, 23630, 25576, 26588, 31280, 31970, 33235, 37808, 40171, 46240, 47260, 51152, 53176, 54349, 62560, 63940, 66470, 75616, 80342, 94520, 102304, 106352, 108698, 127880, 132940, 160684, 189040, 200855, 212704, 217396, 255760, 265880, 271745, 321368, 378080, 401710, 434792, 511520, 531760, 543490, 642736, 803420, 869584, 923933, 1063520, 1086980, 1285472, 1606840, 1739168, 1847866, 2173960, 3213680, 3695732, 4347920, 4619665, 6427360, 7391464, 8695840, 9239330, 14782928, 18478660, 29565856, 36957320, 73914640, 147829280]

約数ペア:

[(1, 147829280), (2, 73914640), (4, 36957320), (5, 29565856), (8, 18478660), (10, 14782928), (16, 9239330), (17, 8695840), (20, 7391464), (23, 6427360), (32, 4619665), (34, 4347920), (40, 3695732), (46, 3213680), (68, 2173960), (80, 1847866), (85, 1739168), (92, 1606840), (115, 1285472), (136, 1086980), (139, 1063520), (160, 923933), (170, 869584), (184, 803420), (230, 642736), (272, 543490), (278, 531760), (289, 511520), (340, 434792), (368, 401710), (391, 378080), (460, 321368), (544, 271745), (556, 265880), (578, 255760), (680, 217396), (695, 212704), (736, 200855), (782, 189040), (920, 160684), (1112, 132940), (1156, 127880), (1360, 108698), (1390, 106352), (1445, 102304), (1564, 94520), (1840, 80342), (1955, 75616), (2224, 66470), (2312, 63940), (2363, 62560), (2720, 54349), (2780, 53176), (2890, 51152), (3128, 47260), (3197, 46240), (3680, 40171), (3910, 37808), (4448, 33235), (4624, 31970), (4726, 31280), (5560, 26588), (5780, 25576), (6256, 23630), (6394, 23120), (6647, 22240), (7820, 18904), (9248, 15985), (9452, 15640), (11120, 13294), (11560, 12788), (11815, 12512)]