491820480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:851

約数の個数: 168

約数和(自身を含む): 1699869600

約数和(自身を除く): 1208049120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 389, 439, 480, 576, 720, 778, 878, 960, 1167, 1317, 1440, 1556, 1756, 1945, 2195, 2334, 2634, 2880, 3112, 3501, 3512, 3890, 3951, 4390, 4668, 5268, 5835, 6224, 6585, 7002, 7024, 7780, 7902, 8780, 9336, 10536, 11670, 12448, 13170, 14004, 14048, 15560, 15804, 17505, 17560, 18672, 19755, 21072, 23340, 24896, 26340, 28008, 28096, 31120, 31608, 35010, 35120, 37344, 39510, 42144, 46680, 52680, 56016, 62240, 63216, 70020, 70240, 74688, 79020, 84288, 93360, 105360, 112032, 124480, 126432, 140040, 140480, 158040, 170771, 186720, 210720, 224064, 252864, 280080, 316080, 341542, 373440, 421440, 512313, 560160, 632160, 683084, 853855, 1024626, 1120320, 1264320, 1366168, 1536939, 1707710, 2049252, 2561565, 2732336, 3073878, 3415420, 4098504, 5123130, 5464672, 6147756, 6830840, 7684695, 8197008, 10246260, 10929344, 12295512, 13661680, 15369390, 16394016, 20492520, 24591024, 27323360, 30738780, 32788032, 40985040, 49182048, 54646720, 61477560, 81970080, 98364096, 122955120, 163940160, 245910240, 491820480]

約数ペア:

[(1, 491820480), (2, 245910240), (3, 163940160), (4, 122955120), (5, 98364096), (6, 81970080), (8, 61477560), (9, 54646720), (10, 49182048), (12, 40985040), (15, 32788032), (16, 30738780), (18, 27323360), (20, 24591024), (24, 20492520), (30, 16394016), (32, 15369390), (36, 13661680), (40, 12295512), (45, 10929344), (48, 10246260), (60, 8197008), (64, 7684695), (72, 6830840), (80, 6147756), (90, 5464672), (96, 5123130), (120, 4098504), (144, 3415420), (160, 3073878), (180, 2732336), (192, 2561565), (240, 2049252), (288, 1707710), (320, 1536939), (360, 1366168), (389, 1264320), (439, 1120320), (480, 1024626), (576, 853855), (720, 683084), (778, 632160), (878, 560160), (960, 512313), (1167, 421440), (1317, 373440), (1440, 341542), (1556, 316080), (1756, 280080), (1945, 252864), (2195, 224064), (2334, 210720), (2634, 186720), (2880, 170771), (3112, 158040), (3501, 140480), (3512, 140040), (3890, 126432), (3951, 124480), (4390, 112032), (4668, 105360), (5268, 93360), (5835, 84288), (6224, 79020), (6585, 74688), (7002, 70240), (7024, 70020), (7780, 63216), (7902, 62240), (8780, 56016), (9336, 52680), (10536, 46680), (11670, 42144), (12448, 39510), (13170, 37344), (14004, 35120), (14048, 35010), (15560, 31608), (15804, 31120), (17505, 28096), (17560, 28008), (18672, 26340), (19755, 24896), (21072, 23340)]