221321880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 288

約数和(自身を含む): 823782960

約数和(自身を除く): 602461080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 131, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 262, 285, 312, 342, 360, 361, 380, 390, 393, 456, 468, 494, 520, 524, 570, 585, 655, 684, 722, 741, 760, 780, 786, 855, 936, 988, 1048, 1083, 1140, 1170, 1179, 1235, 1310, 1368, 1444, 1482, 1560, 1572, 1703, 1710, 1805, 1965, 1976, 2166, 2223, 2280, 2340, 2358, 2470, 2489, 2620, 2888, 2964, 3144, 3249, 3406, 3420, 3610, 3705, 3930, 4332, 4446, 4680, 4693, 4716, 4940, 4978, 5109, 5240, 5415, 5895, 5928, 6498, 6812, 6840, 7220, 7410, 7467, 7860, 8515, 8664, 8892, 9386, 9432, 9880, 9956, 10218, 10830, 11115, 11790, 12445, 12996, 13624, 14079, 14440, 14820, 14934, 15327, 15720, 16245, 17030, 17784, 18772, 19912, 20436, 21660, 22230, 22401, 23465, 23580, 24890, 25545, 25992, 28158, 29640, 29868, 30654, 32357, 32490, 34060, 37335, 37544, 40872, 42237, 43320, 44460, 44802, 46930, 47160, 47291, 49780, 51090, 56316, 59736, 61308, 64714, 64980, 68120, 70395, 74670, 76635, 84474, 88920, 89604, 93860, 94582, 97071, 99560, 102180, 112005, 112632, 122616, 129428, 129960, 140790, 141873, 149340, 153270, 161785, 168948, 179208, 187720, 189164, 194142, 204360, 211185, 224010, 236455, 258856, 281580, 283746, 291213, 298680, 306540, 323570, 337896, 378328, 388284, 422370, 425619, 448020, 472910, 485355, 563160, 567492, 582426, 613080, 614783, 647140, 709365, 776568, 844740, 851238, 896040, 945820, 970710, 1134984, 1164852, 1229566, 1294280, 1418730, 1456065, 1689480, 1702476, 1844349, 1891640, 1941420, 2128095, 2329704, 2459132, 2837460, 2912130, 3073915, 3404952, 3688698, 3882840, 4256190, 4918264, 5533047, 5674920, 5824260, 6147830, 7377396, 8512380, 9221745, 11066094, 11648520, 12295660, 14754792, 17024760, 18443490, 22132188, 24591320, 27665235, 36886980, 44264376, 55330470, 73773960, 110660940, 221321880]

約数ペア:

[(1, 221321880), (2, 110660940), (3, 73773960), (4, 55330470), (5, 44264376), (6, 36886980), (8, 27665235), (9, 24591320), (10, 22132188), (12, 18443490), (13, 17024760), (15, 14754792), (18, 12295660), (19, 11648520), (20, 11066094), (24, 9221745), (26, 8512380), (30, 7377396), (36, 6147830), (38, 5824260), (39, 5674920), (40, 5533047), (45, 4918264), (52, 4256190), (57, 3882840), (60, 3688698), (65, 3404952), (72, 3073915), (76, 2912130), (78, 2837460), (90, 2459132), (95, 2329704), (104, 2128095), (114, 1941420), (117, 1891640), (120, 1844349), (130, 1702476), (131, 1689480), (152, 1456065), (156, 1418730), (171, 1294280), (180, 1229566), (190, 1164852), (195, 1134984), (228, 970710), (234, 945820), (247, 896040), (260, 851238), (262, 844740), (285, 776568), (312, 709365), (342, 647140), (360, 614783), (361, 613080), (380, 582426), (390, 567492), (393, 563160), (456, 485355), (468, 472910), (494, 448020), (520, 425619), (524, 422370), (570, 388284), (585, 378328), (655, 337896), (684, 323570), (722, 306540), (741, 298680), (760, 291213), (780, 283746), (786, 281580), (855, 258856), (936, 236455), (988, 224010), (1048, 211185), (1083, 204360), (1140, 194142), (1170, 189164), (1179, 187720), (1235, 179208), (1310, 168948), (1368, 161785), (1444, 153270), (1482, 149340), (1560, 141873), (1572, 140790), (1703, 129960), (1710, 129428), (1805, 122616), (1965, 112632), (1976, 112005), (2166, 102180), (2223, 99560), (2280, 97071), (2340, 94582), (2358, 93860), (2470, 89604), (2489, 88920), (2620, 84474), (2888, 76635), (2964, 74670), (3144, 70395), (3249, 68120), (3406, 64980), (3420, 64714), (3610, 61308), (3705, 59736), (3930, 56316), (4332, 51090), (4446, 49780), (4680, 47291), (4693, 47160), (4716, 46930), (4940, 44802), (4978, 44460), (5109, 43320), (5240, 42237), (5415, 40872), (5895, 37544), (5928, 37335), (6498, 34060), (6812, 32490), (6840, 32357), (7220, 30654), (7410, 29868), (7467, 29640), (7860, 28158), (8515, 25992), (8664, 25545), (8892, 24890), (9386, 23580), (9432, 23465), (9880, 22401), (9956, 22230), (10218, 21660), (10830, 20436), (11115, 19912), (11790, 18772), (12445, 17784), (12996, 17030), (13624, 16245), (14079, 15720), (14440, 15327), (14820, 14934)]