405526880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 1122750720

約数和(自身を除く): 717223840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 67, 76, 80, 88, 95, 110, 134, 152, 160, 176, 181, 190, 209, 220, 268, 304, 335, 352, 362, 380, 418, 440, 536, 608, 670, 724, 737, 760, 836, 880, 905, 1045, 1072, 1273, 1340, 1448, 1474, 1520, 1672, 1760, 1810, 1991, 2090, 2144, 2546, 2680, 2896, 2948, 3040, 3344, 3439, 3620, 3685, 3982, 4180, 5092, 5360, 5792, 5896, 6365, 6688, 6878, 7240, 7370, 7964, 8360, 9955, 10184, 10720, 11792, 12127, 12730, 13756, 14003, 14480, 14740, 15928, 16720, 17195, 19910, 20368, 23584, 24254, 25460, 27512, 28006, 28960, 29480, 31856, 33440, 34390, 37829, 39820, 40736, 48508, 50920, 55024, 56012, 58960, 60635, 63712, 68780, 70015, 75658, 79640, 97016, 101840, 110048, 112024, 117920, 121270, 133397, 137560, 140030, 151316, 159280, 189145, 194032, 203680, 224048, 230413, 242540, 266794, 275120, 280060, 302632, 318560, 378290, 388064, 448096, 460826, 485080, 533588, 550240, 560120, 605264, 666985, 756580, 921652, 970160, 1067176, 1120240, 1152065, 1210528, 1333970, 1513160, 1843304, 1940320, 2134352, 2240480, 2304130, 2534543, 2667940, 3026320, 3686608, 4268704, 4608260, 5069086, 5335880, 6052640, 7373216, 9216520, 10138172, 10671760, 12672715, 18433040, 20276344, 21343520, 25345430, 36866080, 40552688, 50690860, 81105376, 101381720, 202763440, 405526880]

約数ペア:

[(1, 405526880), (2, 202763440), (4, 101381720), (5, 81105376), (8, 50690860), (10, 40552688), (11, 36866080), (16, 25345430), (19, 21343520), (20, 20276344), (22, 18433040), (32, 12672715), (38, 10671760), (40, 10138172), (44, 9216520), (55, 7373216), (67, 6052640), (76, 5335880), (80, 5069086), (88, 4608260), (95, 4268704), (110, 3686608), (134, 3026320), (152, 2667940), (160, 2534543), (176, 2304130), (181, 2240480), (190, 2134352), (209, 1940320), (220, 1843304), (268, 1513160), (304, 1333970), (335, 1210528), (352, 1152065), (362, 1120240), (380, 1067176), (418, 970160), (440, 921652), (536, 756580), (608, 666985), (670, 605264), (724, 560120), (737, 550240), (760, 533588), (836, 485080), (880, 460826), (905, 448096), (1045, 388064), (1072, 378290), (1273, 318560), (1340, 302632), (1448, 280060), (1474, 275120), (1520, 266794), (1672, 242540), (1760, 230413), (1810, 224048), (1991, 203680), (2090, 194032), (2144, 189145), (2546, 159280), (2680, 151316), (2896, 140030), (2948, 137560), (3040, 133397), (3344, 121270), (3439, 117920), (3620, 112024), (3685, 110048), (3982, 101840), (4180, 97016), (5092, 79640), (5360, 75658), (5792, 70015), (5896, 68780), (6365, 63712), (6688, 60635), (6878, 58960), (7240, 56012), (7370, 55024), (7964, 50920), (8360, 48508), (9955, 40736), (10184, 39820), (10720, 37829), (11792, 34390), (12127, 33440), (12730, 31856), (13756, 29480), (14003, 28960), (14480, 28006), (14740, 27512), (15928, 25460), (16720, 24254), (17195, 23584), (19910, 20368)]