21682313120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1847

約数の個数: 192

約数和(自身を含む): 56861481600

約数和(自身を除く): 35179168480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 149, 160, 172, 208, 215, 260, 298, 344, 416, 430, 520, 559, 596, 688, 745, 860, 1040, 1118, 1192, 1376, 1490, 1627, 1720, 1937, 2080, 2236, 2384, 2795, 2980, 3254, 3440, 3874, 4472, 4768, 5590, 5960, 6407, 6508, 6880, 7748, 8135, 8944, 9685, 11180, 11920, 12814, 13016, 15496, 16270, 17888, 19370, 21151, 22360, 23840, 25628, 26032, 30992, 32035, 32540, 38740, 42302, 44720, 51256, 52064, 61984, 64070, 65080, 69961, 77480, 83291, 84604, 89440, 102512, 105755, 128140, 130160, 139922, 154960, 166582, 169208, 205024, 211510, 242423, 256280, 260320, 279844, 309920, 333164, 338416, 349805, 416455, 423020, 484846, 512560, 559688, 666328, 676832, 699610, 832910, 846040, 909493, 969692, 1025120, 1119376, 1212115, 1332656, 1399220, 1665820, 1692080, 1818986, 1939384, 2238752, 2424230, 2665312, 2798440, 3151499, 3331640, 3384160, 3637972, 3878768, 4547465, 4848460, 5596880, 6302998, 6663280, 7275944, 7757536, 9094930, 9696920, 10424189, 11193760, 12605996, 13326560, 14551888, 15757495, 18189860, 19393840, 20848378, 25211992, 29103776, 31514990, 36379720, 38787680, 41696756, 50423984, 52120945, 63029980, 72759440, 83393512, 100847968, 104241890, 126059960, 135514457, 145518880, 166787024, 208483780, 252119920, 271028914, 333574048, 416967560, 504239840, 542057828, 677572285, 833935120, 1084115656, 1355144570, 1667870240, 2168231312, 2710289140, 4336462624, 5420578280, 10841156560, 21682313120]

約数ペア:

[(1, 21682313120), (2, 10841156560), (4, 5420578280), (5, 4336462624), (8, 2710289140), (10, 2168231312), (13, 1667870240), (16, 1355144570), (20, 1084115656), (26, 833935120), (32, 677572285), (40, 542057828), (43, 504239840), (52, 416967560), (65, 333574048), (80, 271028914), (86, 252119920), (104, 208483780), (130, 166787024), (149, 145518880), (160, 135514457), (172, 126059960), (208, 104241890), (215, 100847968), (260, 83393512), (298, 72759440), (344, 63029980), (416, 52120945), (430, 50423984), (520, 41696756), (559, 38787680), (596, 36379720), (688, 31514990), (745, 29103776), (860, 25211992), (1040, 20848378), (1118, 19393840), (1192, 18189860), (1376, 15757495), (1490, 14551888), (1627, 13326560), (1720, 12605996), (1937, 11193760), (2080, 10424189), (2236, 9696920), (2384, 9094930), (2795, 7757536), (2980, 7275944), (3254, 6663280), (3440, 6302998), (3874, 5596880), (4472, 4848460), (4768, 4547465), (5590, 3878768), (5960, 3637972), (6407, 3384160), (6508, 3331640), (6880, 3151499), (7748, 2798440), (8135, 2665312), (8944, 2424230), (9685, 2238752), (11180, 1939384), (11920, 1818986), (12814, 1692080), (13016, 1665820), (15496, 1399220), (16270, 1332656), (17888, 1212115), (19370, 1119376), (21151, 1025120), (22360, 969692), (23840, 909493), (25628, 846040), (26032, 832910), (30992, 699610), (32035, 676832), (32540, 666328), (38740, 559688), (42302, 512560), (44720, 484846), (51256, 423020), (52064, 416455), (61984, 349805), (64070, 338416), (65080, 333164), (69961, 309920), (77480, 279844), (83291, 260320), (84604, 256280), (89440, 242423), (102512, 211510), (105755, 205024), (128140, 169208), (130160, 166582), (139922, 154960)]