393435840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 224

約数和(自身を含む): 1441972224

約数和(自身を除く): 1048536384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 140, 160, 168, 192, 210, 224, 240, 254, 280, 320, 336, 381, 420, 448, 461, 480, 508, 560, 635, 672, 762, 840, 889, 922, 960, 1016, 1120, 1270, 1344, 1383, 1524, 1680, 1778, 1844, 1905, 2032, 2240, 2305, 2540, 2667, 2766, 3048, 3227, 3360, 3556, 3688, 3810, 4064, 4445, 4610, 5080, 5334, 5532, 6096, 6454, 6720, 6915, 7112, 7376, 7620, 8128, 8890, 9220, 9681, 10160, 10668, 11064, 12192, 12908, 13335, 13830, 14224, 14752, 15240, 16135, 17780, 18440, 19362, 20320, 21336, 22128, 24384, 25816, 26670, 27660, 28448, 29504, 30480, 32270, 35560, 36880, 38724, 40640, 42672, 44256, 48405, 51632, 53340, 55320, 56896, 58547, 60960, 64540, 71120, 73760, 77448, 85344, 88512, 96810, 103264, 106680, 110640, 117094, 121920, 129080, 142240, 147520, 154896, 170688, 175641, 193620, 206528, 213360, 221280, 234188, 258160, 284480, 292735, 309792, 351282, 387240, 409829, 426720, 442560, 468376, 516320, 585470, 619584, 702564, 774480, 819658, 853440, 878205, 936752, 1032640, 1170940, 1229487, 1405128, 1548960, 1639316, 1756410, 1873504, 2049145, 2341880, 2458974, 2810256, 3097920, 3278632, 3512820, 3747008, 4098290, 4683760, 4917948, 5620512, 6147435, 6557264, 7025640, 8196580, 9367520, 9835896, 11241024, 12294870, 13114528, 14051280, 16393160, 18735040, 19671792, 24589740, 26229056, 28102560, 32786320, 39343584, 49179480, 56205120, 65572640, 78687168, 98358960, 131145280, 196717920, 393435840]

約数ペア:

[(1, 393435840), (2, 196717920), (3, 131145280), (4, 98358960), (5, 78687168), (6, 65572640), (7, 56205120), (8, 49179480), (10, 39343584), (12, 32786320), (14, 28102560), (15, 26229056), (16, 24589740), (20, 19671792), (21, 18735040), (24, 16393160), (28, 14051280), (30, 13114528), (32, 12294870), (35, 11241024), (40, 9835896), (42, 9367520), (48, 8196580), (56, 7025640), (60, 6557264), (64, 6147435), (70, 5620512), (80, 4917948), (84, 4683760), (96, 4098290), (105, 3747008), (112, 3512820), (120, 3278632), (127, 3097920), (140, 2810256), (160, 2458974), (168, 2341880), (192, 2049145), (210, 1873504), (224, 1756410), (240, 1639316), (254, 1548960), (280, 1405128), (320, 1229487), (336, 1170940), (381, 1032640), (420, 936752), (448, 878205), (461, 853440), (480, 819658), (508, 774480), (560, 702564), (635, 619584), (672, 585470), (762, 516320), (840, 468376), (889, 442560), (922, 426720), (960, 409829), (1016, 387240), (1120, 351282), (1270, 309792), (1344, 292735), (1383, 284480), (1524, 258160), (1680, 234188), (1778, 221280), (1844, 213360), (1905, 206528), (2032, 193620), (2240, 175641), (2305, 170688), (2540, 154896), (2667, 147520), (2766, 142240), (3048, 129080), (3227, 121920), (3360, 117094), (3556, 110640), (3688, 106680), (3810, 103264), (4064, 96810), (4445, 88512), (4610, 85344), (5080, 77448), (5334, 73760), (5532, 71120), (6096, 64540), (6454, 60960), (6720, 58547), (6915, 56896), (7112, 55320), (7376, 53340), (7620, 51632), (8128, 48405), (8890, 44256), (9220, 42672), (9681, 40640), (10160, 38724), (10668, 36880), (11064, 35560), (12192, 32270), (12908, 30480), (13335, 29504), (13830, 28448), (14224, 27660), (14752, 26670), (15240, 25816), (16135, 24384), (17780, 22128), (18440, 21336), (19362, 20320)]