221543280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:528

約数の個数: 240

約数和(自身を含む): 860034240

約数和(自身を除く): 638490960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 113, 120, 126, 140, 144, 168, 180, 210, 226, 240, 252, 280, 315, 336, 339, 360, 389, 420, 452, 504, 560, 565, 630, 678, 720, 778, 791, 840, 904, 1008, 1017, 1130, 1167, 1260, 1356, 1556, 1582, 1680, 1695, 1808, 1945, 2034, 2260, 2334, 2373, 2520, 2712, 2723, 3112, 3164, 3390, 3501, 3890, 3955, 4068, 4520, 4668, 4746, 5040, 5085, 5424, 5446, 5835, 6224, 6328, 6780, 7002, 7119, 7780, 7910, 8136, 8169, 9040, 9336, 9492, 10170, 10892, 11670, 11865, 12656, 13560, 13615, 14004, 14238, 15560, 15820, 16272, 16338, 17505, 18672, 18984, 20340, 21784, 23340, 23730, 24507, 27120, 27230, 28008, 28476, 31120, 31640, 32676, 35010, 35595, 37968, 40680, 40845, 43568, 43957, 46680, 47460, 49014, 54460, 56016, 56952, 63280, 65352, 70020, 71190, 81360, 81690, 87914, 93360, 94920, 98028, 108920, 113904, 122535, 130704, 131871, 140040, 142380, 163380, 175828, 189840, 196056, 217840, 219785, 245070, 263742, 280080, 284760, 307699, 326760, 351656, 392112, 395613, 439570, 490140, 527484, 569520, 615398, 653520, 659355, 703312, 791226, 879140, 923097, 980280, 1054968, 1230796, 1318710, 1538495, 1582452, 1758280, 1846194, 1960560, 1978065, 2109936, 2461592, 2637420, 2769291, 3076990, 3164904, 3516560, 3692388, 3956130, 4615485, 4923184, 5274840, 5538582, 6153980, 6329808, 7384776, 7912260, 9230970, 10549680, 11077164, 12307960, 13846455, 14769552, 15824520, 18461940, 22154328, 24615920, 27692910, 31649040, 36923880, 44308656, 55385820, 73847760, 110771640, 221543280]

約数ペア:

[(1, 221543280), (2, 110771640), (3, 73847760), (4, 55385820), (5, 44308656), (6, 36923880), (7, 31649040), (8, 27692910), (9, 24615920), (10, 22154328), (12, 18461940), (14, 15824520), (15, 14769552), (16, 13846455), (18, 12307960), (20, 11077164), (21, 10549680), (24, 9230970), (28, 7912260), (30, 7384776), (35, 6329808), (36, 6153980), (40, 5538582), (42, 5274840), (45, 4923184), (48, 4615485), (56, 3956130), (60, 3692388), (63, 3516560), (70, 3164904), (72, 3076990), (80, 2769291), (84, 2637420), (90, 2461592), (105, 2109936), (112, 1978065), (113, 1960560), (120, 1846194), (126, 1758280), (140, 1582452), (144, 1538495), (168, 1318710), (180, 1230796), (210, 1054968), (226, 980280), (240, 923097), (252, 879140), (280, 791226), (315, 703312), (336, 659355), (339, 653520), (360, 615398), (389, 569520), (420, 527484), (452, 490140), (504, 439570), (560, 395613), (565, 392112), (630, 351656), (678, 326760), (720, 307699), (778, 284760), (791, 280080), (840, 263742), (904, 245070), (1008, 219785), (1017, 217840), (1130, 196056), (1167, 189840), (1260, 175828), (1356, 163380), (1556, 142380), (1582, 140040), (1680, 131871), (1695, 130704), (1808, 122535), (1945, 113904), (2034, 108920), (2260, 98028), (2334, 94920), (2373, 93360), (2520, 87914), (2712, 81690), (2723, 81360), (3112, 71190), (3164, 70020), (3390, 65352), (3501, 63280), (3890, 56952), (3955, 56016), (4068, 54460), (4520, 49014), (4668, 47460), (4746, 46680), (5040, 43957), (5085, 43568), (5424, 40845), (5446, 40680), (5835, 37968), (6224, 35595), (6328, 35010), (6780, 32676), (7002, 31640), (7119, 31120), (7780, 28476), (7910, 28008), (8136, 27230), (8169, 27120), (9040, 24507), (9336, 23730), (9492, 23340), (10170, 21784), (10892, 20340), (11670, 18984), (11865, 18672), (12656, 17505), (13560, 16338), (13615, 16272), (14004, 15820), (14238, 15560)]