681006720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 2235489120

約数和(自身を除く): 1554482400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 211, 240, 246, 320, 328, 384, 410, 422, 480, 492, 615, 633, 640, 656, 820, 844, 960, 984, 1055, 1230, 1266, 1312, 1640, 1681, 1688, 1920, 1968, 2110, 2460, 2532, 2624, 3165, 3280, 3362, 3376, 3936, 4220, 4920, 5043, 5064, 5248, 6330, 6560, 6724, 6752, 7872, 8405, 8440, 8651, 9840, 10086, 10128, 12660, 13120, 13448, 13504, 15744, 16810, 16880, 17302, 19680, 20172, 20256, 25215, 25320, 25953, 26240, 26896, 27008, 33620, 33760, 34604, 39360, 40344, 40512, 43255, 50430, 50640, 51906, 53792, 67240, 67520, 69208, 78720, 80688, 81024, 86510, 100860, 101280, 103812, 107584, 129765, 134480, 135040, 138416, 161376, 173020, 201720, 202560, 207624, 215168, 259530, 268960, 276832, 322752, 346040, 354691, 403440, 405120, 415248, 519060, 537920, 553664, 645504, 692080, 709382, 806880, 830496, 1038120, 1064073, 1075840, 1107328, 1384160, 1418764, 1613760, 1660992, 1773455, 2076240, 2128146, 2768320, 2837528, 3227520, 3321984, 3546910, 4152480, 4256292, 5320365, 5536640, 5675056, 7093820, 8304960, 8512584, 10640730, 11350112, 14187640, 16609920, 17025168, 21281460, 22700224, 28375280, 34050336, 42562920, 45400448, 56750560, 68100672, 85125840, 113501120, 136201344, 170251680, 227002240, 340503360, 681006720]

約数ペア:

[(1, 681006720), (2, 340503360), (3, 227002240), (4, 170251680), (5, 136201344), (6, 113501120), (8, 85125840), (10, 68100672), (12, 56750560), (15, 45400448), (16, 42562920), (20, 34050336), (24, 28375280), (30, 22700224), (32, 21281460), (40, 17025168), (41, 16609920), (48, 14187640), (60, 11350112), (64, 10640730), (80, 8512584), (82, 8304960), (96, 7093820), (120, 5675056), (123, 5536640), (128, 5320365), (160, 4256292), (164, 4152480), (192, 3546910), (205, 3321984), (211, 3227520), (240, 2837528), (246, 2768320), (320, 2128146), (328, 2076240), (384, 1773455), (410, 1660992), (422, 1613760), (480, 1418764), (492, 1384160), (615, 1107328), (633, 1075840), (640, 1064073), (656, 1038120), (820, 830496), (844, 806880), (960, 709382), (984, 692080), (1055, 645504), (1230, 553664), (1266, 537920), (1312, 519060), (1640, 415248), (1681, 405120), (1688, 403440), (1920, 354691), (1968, 346040), (2110, 322752), (2460, 276832), (2532, 268960), (2624, 259530), (3165, 215168), (3280, 207624), (3362, 202560), (3376, 201720), (3936, 173020), (4220, 161376), (4920, 138416), (5043, 135040), (5064, 134480), (5248, 129765), (6330, 107584), (6560, 103812), (6724, 101280), (6752, 100860), (7872, 86510), (8405, 81024), (8440, 80688), (8651, 78720), (9840, 69208), (10086, 67520), (10128, 67240), (12660, 53792), (13120, 51906), (13448, 50640), (13504, 50430), (15744, 43255), (16810, 40512), (16880, 40344), (17302, 39360), (19680, 34604), (20172, 33760), (20256, 33620), (25215, 27008), (25320, 26896), (25953, 26240)]