398730240

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:557

約数の個数: 264

約数和(自身を含む): 1465733880

約数和(自身を除く): 1067003640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 509, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1018, 1020, 1024, 1088, 1152, 1224, 1280, 1360, 1440, 1527, 1530, 1536, 1632, 1920, 2036, 2040, 2176, 2304, 2448, 2545, 2560, 2720, 2880, 3054, 3060, 3072, 3264, 3840, 4072, 4080, 4352, 4581, 4608, 4896, 5090, 5120, 5440, 5760, 6108, 6120, 6528, 7635, 7680, 8144, 8160, 8653, 8704, 9162, 9216, 9792, 10180, 10880, 11520, 12216, 12240, 13056, 15270, 15360, 16288, 16320, 17306, 17408, 18324, 19584, 20360, 21760, 22905, 23040, 24432, 24480, 25959, 26112, 30540, 32576, 32640, 34612, 36648, 39168, 40720, 43265, 43520, 45810, 46080, 48864, 48960, 51918, 52224, 61080, 65152, 65280, 69224, 73296, 77877, 78336, 81440, 86530, 87040, 91620, 97728, 97920, 103836, 122160, 129795, 130304, 130560, 138448, 146592, 155754, 156672, 162880, 173060, 183240, 195456, 195840, 207672, 244320, 259590, 260608, 261120, 276896, 293184, 311508, 325760, 346120, 366480, 389385, 390912, 391680, 415344, 488640, 519180, 521216, 553792, 586368, 623016, 651520, 692240, 732960, 778770, 781824, 783360, 830688, 977280, 1038360, 1107584, 1172736, 1246032, 1303040, 1384480, 1465920, 1557540, 1563648, 1661376, 1954560, 2076720, 2215168, 2345472, 2492064, 2606080, 2768960, 2931840, 3115080, 3322752, 3909120, 4153440, 4430336, 4690944, 4984128, 5537920, 5863680, 6230160, 6645504, 7818240, 8306880, 8860672, 9968256, 11075840, 11727360, 12460320, 13291008, 16613760, 19936512, 22151680, 23454720, 24920640, 26582016, 33227520, 39873024, 44303360, 49841280, 66455040, 79746048, 99682560, 132910080, 199365120, 398730240]

約数ペア:

[(1, 398730240), (2, 199365120), (3, 132910080), (4, 99682560), (5, 79746048), (6, 66455040), (8, 49841280), (9, 44303360), (10, 39873024), (12, 33227520), (15, 26582016), (16, 24920640), (17, 23454720), (18, 22151680), (20, 19936512), (24, 16613760), (30, 13291008), (32, 12460320), (34, 11727360), (36, 11075840), (40, 9968256), (45, 8860672), (48, 8306880), (51, 7818240), (60, 6645504), (64, 6230160), (68, 5863680), (72, 5537920), (80, 4984128), (85, 4690944), (90, 4430336), (96, 4153440), (102, 3909120), (120, 3322752), (128, 3115080), (136, 2931840), (144, 2768960), (153, 2606080), (160, 2492064), (170, 2345472), (180, 2215168), (192, 2076720), (204, 1954560), (240, 1661376), (255, 1563648), (256, 1557540), (272, 1465920), (288, 1384480), (306, 1303040), (320, 1246032), (340, 1172736), (360, 1107584), (384, 1038360), (408, 977280), (480, 830688), (509, 783360), (510, 781824), (512, 778770), (544, 732960), (576, 692240), (612, 651520), (640, 623016), (680, 586368), (720, 553792), (765, 521216), (768, 519180), (816, 488640), (960, 415344), (1018, 391680), (1020, 390912), (1024, 389385), (1088, 366480), (1152, 346120), (1224, 325760), (1280, 311508), (1360, 293184), (1440, 276896), (1527, 261120), (1530, 260608), (1536, 259590), (1632, 244320), (1920, 207672), (2036, 195840), (2040, 195456), (2176, 183240), (2304, 173060), (2448, 162880), (2545, 156672), (2560, 155754), (2720, 146592), (2880, 138448), (3054, 130560), (3060, 130304), (3072, 129795), (3264, 122160), (3840, 103836), (4072, 97920), (4080, 97728), (4352, 91620), (4581, 87040), (4608, 86530), (4896, 81440), (5090, 78336), (5120, 77877), (5440, 73296), (5760, 69224), (6108, 65280), (6120, 65152), (6528, 61080), (7635, 52224), (7680, 51918), (8144, 48960), (8160, 48864), (8653, 46080), (8704, 45810), (9162, 43520), (9216, 43265), (9792, 40720), (10180, 39168), (10880, 36648), (11520, 34612), (12216, 32640), (12240, 32576), (13056, 30540), (15270, 26112), (15360, 25959), (16288, 24480), (16320, 24432), (17306, 23040), (17408, 22905), (18324, 21760), (19584, 20360)]