87015440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 224503488

約数和(自身を除く): 137488048

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 131, 152, 184, 190, 230, 262, 304, 361, 368, 380, 437, 460, 524, 655, 722, 760, 874, 920, 1048, 1310, 1444, 1520, 1748, 1805, 1840, 2096, 2185, 2489, 2620, 2888, 3013, 3496, 3610, 4370, 4978, 5240, 5776, 6026, 6992, 7220, 8303, 8740, 9956, 10480, 12052, 12445, 14440, 15065, 16606, 17480, 19912, 24104, 24890, 28880, 30130, 33212, 34960, 39824, 41515, 47291, 48208, 49780, 57247, 60260, 66424, 83030, 94582, 99560, 114494, 120520, 132848, 166060, 189164, 199120, 228988, 236455, 241040, 286235, 332120, 378328, 457976, 472910, 572470, 664240, 756656, 915952, 945820, 1087693, 1144940, 1891640, 2175386, 2289880, 3783280, 4350772, 4579760, 5438465, 8701544, 10876930, 17403088, 21753860, 43507720, 87015440]

約数ペア:

[(1, 87015440), (2, 43507720), (4, 21753860), (5, 17403088), (8, 10876930), (10, 8701544), (16, 5438465), (19, 4579760), (20, 4350772), (23, 3783280), (38, 2289880), (40, 2175386), (46, 1891640), (76, 1144940), (80, 1087693), (92, 945820), (95, 915952), (115, 756656), (131, 664240), (152, 572470), (184, 472910), (190, 457976), (230, 378328), (262, 332120), (304, 286235), (361, 241040), (368, 236455), (380, 228988), (437, 199120), (460, 189164), (524, 166060), (655, 132848), (722, 120520), (760, 114494), (874, 99560), (920, 94582), (1048, 83030), (1310, 66424), (1444, 60260), (1520, 57247), (1748, 49780), (1805, 48208), (1840, 47291), (2096, 41515), (2185, 39824), (2489, 34960), (2620, 33212), (2888, 30130), (3013, 28880), (3496, 24890), (3610, 24104), (4370, 19912), (4978, 17480), (5240, 16606), (5776, 15065), (6026, 14440), (6992, 12445), (7220, 12052), (8303, 10480), (8740, 9956)]