311056480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:118

約数の個数: 216

約数和(自身を含む): 921869424

約数和(自身を除く): 610812944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 289, 310, 340, 434, 476, 496, 527, 544, 560, 578, 595, 620, 680, 868, 952, 961, 992, 1054, 1085, 1120, 1156, 1190, 1240, 1360, 1445, 1736, 1904, 1922, 2023, 2108, 2170, 2312, 2380, 2480, 2635, 2720, 2890, 3472, 3689, 3808, 3844, 4046, 4216, 4340, 4624, 4760, 4805, 4960, 5270, 5780, 6727, 6944, 7378, 7688, 8092, 8432, 8680, 8959, 9248, 9520, 9610, 10115, 10540, 11560, 13454, 14756, 15376, 16184, 16337, 16864, 17360, 17918, 18445, 19040, 19220, 20230, 21080, 23120, 26908, 29512, 30752, 32368, 32674, 33635, 34720, 35836, 36890, 38440, 40460, 42160, 44795, 46240, 53816, 59024, 62713, 64736, 65348, 67270, 71672, 73780, 76880, 80920, 81685, 84320, 89590, 107632, 114359, 118048, 125426, 130696, 134540, 143344, 147560, 153760, 161840, 163370, 179180, 215264, 228718, 250852, 261392, 269080, 277729, 286688, 295120, 313565, 323680, 326740, 358360, 457436, 501704, 522784, 538160, 555458, 571795, 590240, 627130, 653480, 716720, 914872, 1003408, 1076320, 1110916, 1143590, 1254260, 1306960, 1388645, 1433440, 1829744, 1944103, 2006816, 2221832, 2287180, 2508520, 2613920, 2777290, 3659488, 3888206, 4443664, 4574360, 5017040, 5554580, 7776412, 8887328, 9148720, 9720515, 10034080, 11109160, 15552824, 18297440, 19441030, 22218320, 31105648, 38882060, 44436640, 62211296, 77764120, 155528240, 311056480]

約数ペア:

[(1, 311056480), (2, 155528240), (4, 77764120), (5, 62211296), (7, 44436640), (8, 38882060), (10, 31105648), (14, 22218320), (16, 19441030), (17, 18297440), (20, 15552824), (28, 11109160), (31, 10034080), (32, 9720515), (34, 9148720), (35, 8887328), (40, 7776412), (56, 5554580), (62, 5017040), (68, 4574360), (70, 4443664), (80, 3888206), (85, 3659488), (112, 2777290), (119, 2613920), (124, 2508520), (136, 2287180), (140, 2221832), (155, 2006816), (160, 1944103), (170, 1829744), (217, 1433440), (224, 1388645), (238, 1306960), (248, 1254260), (272, 1143590), (280, 1110916), (289, 1076320), (310, 1003408), (340, 914872), (434, 716720), (476, 653480), (496, 627130), (527, 590240), (544, 571795), (560, 555458), (578, 538160), (595, 522784), (620, 501704), (680, 457436), (868, 358360), (952, 326740), (961, 323680), (992, 313565), (1054, 295120), (1085, 286688), (1120, 277729), (1156, 269080), (1190, 261392), (1240, 250852), (1360, 228718), (1445, 215264), (1736, 179180), (1904, 163370), (1922, 161840), (2023, 153760), (2108, 147560), (2170, 143344), (2312, 134540), (2380, 130696), (2480, 125426), (2635, 118048), (2720, 114359), (2890, 107632), (3472, 89590), (3689, 84320), (3808, 81685), (3844, 80920), (4046, 76880), (4216, 73780), (4340, 71672), (4624, 67270), (4760, 65348), (4805, 64736), (4960, 62713), (5270, 59024), (5780, 53816), (6727, 46240), (6944, 44795), (7378, 42160), (7688, 40460), (8092, 38440), (8432, 36890), (8680, 35836), (8959, 34720), (9248, 33635), (9520, 32674), (9610, 32368), (10115, 30752), (10540, 29512), (11560, 26908), (13454, 23120), (14756, 21080), (15376, 20230), (16184, 19220), (16337, 19040), (16864, 18445), (17360, 17918)]