87136280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1537

約数の個数: 128

約数和(自身を含む): 257472000

約数和(自身を除く): 170335720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1489, 1540, 1672, 2090, 2660, 2926, 2978, 3080, 4180, 5320, 5852, 5956, 7315, 7445, 8360, 10423, 11704, 11912, 14630, 14890, 16379, 20846, 28291, 29260, 29780, 32758, 41692, 52115, 56582, 58520, 59560, 65516, 81895, 83384, 104230, 113164, 114653, 131032, 141455, 163790, 198037, 208460, 226328, 229306, 282910, 311201, 327580, 396074, 416920, 458612, 565820, 573265, 622402, 655160, 792148, 917224, 990185, 1131640, 1146530, 1244804, 1556005, 1584296, 1980370, 2178407, 2293060, 2489608, 3112010, 3960740, 4356814, 4586120, 6224020, 7921480, 8713628, 10892035, 12448040, 17427256, 21784070, 43568140, 87136280]

約数ペア:

[(1, 87136280), (2, 43568140), (4, 21784070), (5, 17427256), (7, 12448040), (8, 10892035), (10, 8713628), (11, 7921480), (14, 6224020), (19, 4586120), (20, 4356814), (22, 3960740), (28, 3112010), (35, 2489608), (38, 2293060), (40, 2178407), (44, 1980370), (55, 1584296), (56, 1556005), (70, 1244804), (76, 1146530), (77, 1131640), (88, 990185), (95, 917224), (110, 792148), (133, 655160), (140, 622402), (152, 573265), (154, 565820), (190, 458612), (209, 416920), (220, 396074), (266, 327580), (280, 311201), (308, 282910), (380, 229306), (385, 226328), (418, 208460), (440, 198037), (532, 163790), (616, 141455), (665, 131032), (760, 114653), (770, 113164), (836, 104230), (1045, 83384), (1064, 81895), (1330, 65516), (1463, 59560), (1489, 58520), (1540, 56582), (1672, 52115), (2090, 41692), (2660, 32758), (2926, 29780), (2978, 29260), (3080, 28291), (4180, 20846), (5320, 16379), (5852, 14890), (5956, 14630), (7315, 11912), (7445, 11704), (8360, 10423)]