261123840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1239

約数の個数: 216

約数和(自身を含む): 951809040

約数和(自身を除く): 690685200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1193, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2386, 2432, 2736, 2880, 3040, 3420, 3579, 3648, 3840, 4560, 4772, 4864, 5472, 5760, 5965, 6080, 6840, 7158, 7296, 9120, 9544, 10737, 10944, 11520, 11930, 12160, 13680, 14316, 14592, 17895, 18240, 19088, 21474, 21888, 22667, 23860, 24320, 27360, 28632, 35790, 36480, 38176, 42948, 43776, 45334, 47720, 53685, 54720, 57264, 68001, 71580, 72960, 76352, 85896, 90668, 95440, 107370, 109440, 113335, 114528, 136002, 143160, 152704, 171792, 181336, 190880, 204003, 214740, 218880, 226670, 229056, 272004, 286320, 305408, 340005, 343584, 362672, 381760, 408006, 429480, 453340, 458112, 544008, 572640, 680010, 687168, 725344, 763520, 816012, 858960, 906680, 916224, 1020015, 1088016, 1145280, 1360020, 1374336, 1450688, 1527040, 1632024, 1717920, 1813360, 2040030, 2176032, 2290560, 2720040, 2748672, 2901376, 3264048, 3435840, 3626720, 4080060, 4352064, 4581120, 5440080, 5802752, 6528096, 6871680, 7253440, 8160120, 8704128, 10880160, 13056192, 13743360, 14506880, 16320240, 17408256, 21760320, 26112384, 29013760, 32640480, 43520640, 52224768, 65280960, 87041280, 130561920, 261123840]

約数ペア:

[(1, 261123840), (2, 130561920), (3, 87041280), (4, 65280960), (5, 52224768), (6, 43520640), (8, 32640480), (9, 29013760), (10, 26112384), (12, 21760320), (15, 17408256), (16, 16320240), (18, 14506880), (19, 13743360), (20, 13056192), (24, 10880160), (30, 8704128), (32, 8160120), (36, 7253440), (38, 6871680), (40, 6528096), (45, 5802752), (48, 5440080), (57, 4581120), (60, 4352064), (64, 4080060), (72, 3626720), (76, 3435840), (80, 3264048), (90, 2901376), (95, 2748672), (96, 2720040), (114, 2290560), (120, 2176032), (128, 2040030), (144, 1813360), (152, 1717920), (160, 1632024), (171, 1527040), (180, 1450688), (190, 1374336), (192, 1360020), (228, 1145280), (240, 1088016), (256, 1020015), (285, 916224), (288, 906680), (304, 858960), (320, 816012), (342, 763520), (360, 725344), (380, 687168), (384, 680010), (456, 572640), (480, 544008), (570, 458112), (576, 453340), (608, 429480), (640, 408006), (684, 381760), (720, 362672), (760, 343584), (768, 340005), (855, 305408), (912, 286320), (960, 272004), (1140, 229056), (1152, 226670), (1193, 218880), (1216, 214740), (1280, 204003), (1368, 190880), (1440, 181336), (1520, 171792), (1710, 152704), (1824, 143160), (1920, 136002), (2280, 114528), (2304, 113335), (2386, 109440), (2432, 107370), (2736, 95440), (2880, 90668), (3040, 85896), (3420, 76352), (3579, 72960), (3648, 71580), (3840, 68001), (4560, 57264), (4772, 54720), (4864, 53685), (5472, 47720), (5760, 45334), (5965, 43776), (6080, 42948), (6840, 38176), (7158, 36480), (7296, 35790), (9120, 28632), (9544, 27360), (10737, 24320), (10944, 23860), (11520, 22667), (11930, 21888), (12160, 21474), (13680, 19088), (14316, 18240), (14592, 17895)]