212800320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 168

約数和(自身を含む): 752103144

約数和(自身を除く): 539302824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 444, 480, 555, 576, 592, 666, 720, 740, 888, 960, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 1997, 2220, 2368, 2664, 2880, 2960, 3330, 3552, 3994, 4440, 5328, 5920, 5991, 6660, 7104, 7988, 8880, 9985, 10656, 11840, 11982, 13320, 15976, 17760, 17973, 19970, 21312, 23964, 26640, 29955, 31952, 35520, 35946, 39940, 47928, 53280, 59910, 63904, 71892, 73889, 79880, 89865, 95856, 106560, 119820, 127808, 143784, 147778, 159760, 179730, 191712, 221667, 239640, 287568, 295556, 319520, 359460, 369445, 383424, 443334, 479280, 575136, 591112, 639040, 665001, 718920, 738890, 886668, 958560, 1108335, 1150272, 1182224, 1330002, 1437840, 1477780, 1773336, 1917120, 2216670, 2364448, 2660004, 2875680, 2955560, 3325005, 3546672, 4433340, 4728896, 5320008, 5751360, 5911120, 6650010, 7093344, 8866680, 10640016, 11822240, 13300020, 14186688, 17733360, 21280032, 23644480, 26600040, 35466720, 42560064, 53200080, 70933440, 106400160, 212800320]

約数ペア:

[(1, 212800320), (2, 106400160), (3, 70933440), (4, 53200080), (5, 42560064), (6, 35466720), (8, 26600040), (9, 23644480), (10, 21280032), (12, 17733360), (15, 14186688), (16, 13300020), (18, 11822240), (20, 10640016), (24, 8866680), (30, 7093344), (32, 6650010), (36, 5911120), (37, 5751360), (40, 5320008), (45, 4728896), (48, 4433340), (60, 3546672), (64, 3325005), (72, 2955560), (74, 2875680), (80, 2660004), (90, 2364448), (96, 2216670), (111, 1917120), (120, 1773336), (144, 1477780), (148, 1437840), (160, 1330002), (180, 1182224), (185, 1150272), (192, 1108335), (222, 958560), (240, 886668), (288, 738890), (296, 718920), (320, 665001), (333, 639040), (360, 591112), (370, 575136), (444, 479280), (480, 443334), (555, 383424), (576, 369445), (592, 359460), (666, 319520), (720, 295556), (740, 287568), (888, 239640), (960, 221667), (1110, 191712), (1184, 179730), (1332, 159760), (1440, 147778), (1480, 143784), (1665, 127808), (1776, 119820), (1997, 106560), (2220, 95856), (2368, 89865), (2664, 79880), (2880, 73889), (2960, 71892), (3330, 63904), (3552, 59910), (3994, 53280), (4440, 47928), (5328, 39940), (5920, 35946), (5991, 35520), (6660, 31952), (7104, 29955), (7988, 26640), (8880, 23964), (9985, 21312), (10656, 19970), (11840, 17973), (11982, 17760), (13320, 15976)]