81707040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2511

約数の個数: 144

約数和(自身を含む): 291066048

約数和(自身を除く): 209359008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2467, 2760, 3312, 3680, 4140, 4934, 5520, 6624, 7401, 8280, 9868, 11040, 12335, 14802, 16560, 19736, 22203, 24670, 29604, 33120, 37005, 39472, 44406, 49340, 56741, 59208, 74010, 78944, 88812, 98680, 111015, 113482, 118416, 148020, 170223, 177624, 197360, 222030, 226964, 236832, 283705, 296040, 340446, 355248, 394720, 444060, 453928, 510669, 567410, 592080, 680892, 710496, 851115, 888120, 907856, 1021338, 1134820, 1184160, 1361784, 1702230, 1776240, 1815712, 2042676, 2269640, 2553345, 2723568, 3404460, 3552480, 4085352, 4539280, 5106690, 5447136, 6808920, 8170704, 9078560, 10213380, 13617840, 16341408, 20426760, 27235680, 40853520, 81707040]

約数ペア:

[(1, 81707040), (2, 40853520), (3, 27235680), (4, 20426760), (5, 16341408), (6, 13617840), (8, 10213380), (9, 9078560), (10, 8170704), (12, 6808920), (15, 5447136), (16, 5106690), (18, 4539280), (20, 4085352), (23, 3552480), (24, 3404460), (30, 2723568), (32, 2553345), (36, 2269640), (40, 2042676), (45, 1815712), (46, 1776240), (48, 1702230), (60, 1361784), (69, 1184160), (72, 1134820), (80, 1021338), (90, 907856), (92, 888120), (96, 851115), (115, 710496), (120, 680892), (138, 592080), (144, 567410), (160, 510669), (180, 453928), (184, 444060), (207, 394720), (230, 355248), (240, 340446), (276, 296040), (288, 283705), (345, 236832), (360, 226964), (368, 222030), (414, 197360), (460, 177624), (480, 170223), (552, 148020), (690, 118416), (720, 113482), (736, 111015), (828, 98680), (920, 88812), (1035, 78944), (1104, 74010), (1380, 59208), (1440, 56741), (1656, 49340), (1840, 44406), (2070, 39472), (2208, 37005), (2467, 33120), (2760, 29604), (3312, 24670), (3680, 22203), (4140, 19736), (4934, 16560), (5520, 14802), (6624, 12335), (7401, 11040), (8280, 9868)]