287672560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 160

約数和(自身を含む): 803377152

約数和(自身を除く): 515704592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 227, 248, 280, 292, 310, 365, 434, 454, 496, 511, 560, 584, 620, 730, 868, 908, 1022, 1085, 1135, 1168, 1240, 1460, 1589, 1736, 1816, 2044, 2170, 2263, 2270, 2480, 2555, 2920, 3178, 3472, 3632, 4088, 4340, 4526, 4540, 5110, 5840, 6356, 7037, 7945, 8176, 8680, 9052, 9080, 10220, 11315, 12712, 14074, 15841, 15890, 16571, 17360, 18104, 18160, 20440, 22630, 25424, 28148, 31682, 31780, 33142, 35185, 36208, 40880, 45260, 49259, 56296, 63364, 63560, 66284, 70370, 79205, 82855, 90520, 98518, 112592, 115997, 126728, 127120, 132568, 140740, 158410, 165710, 181040, 197036, 231994, 246295, 253456, 265136, 281480, 316820, 331420, 394072, 463988, 492590, 513701, 562960, 579985, 633640, 662840, 788144, 927976, 985180, 1027402, 1159970, 1267280, 1325680, 1855952, 1970360, 2054804, 2319940, 2568505, 3595907, 3940720, 4109608, 4639880, 5137010, 7191814, 8219216, 9279760, 10274020, 14383628, 17979535, 20548040, 28767256, 35959070, 41096080, 57534512, 71918140, 143836280, 287672560]

約数ペア:

[(1, 287672560), (2, 143836280), (4, 71918140), (5, 57534512), (7, 41096080), (8, 35959070), (10, 28767256), (14, 20548040), (16, 17979535), (20, 14383628), (28, 10274020), (31, 9279760), (35, 8219216), (40, 7191814), (56, 5137010), (62, 4639880), (70, 4109608), (73, 3940720), (80, 3595907), (112, 2568505), (124, 2319940), (140, 2054804), (146, 1970360), (155, 1855952), (217, 1325680), (227, 1267280), (248, 1159970), (280, 1027402), (292, 985180), (310, 927976), (365, 788144), (434, 662840), (454, 633640), (496, 579985), (511, 562960), (560, 513701), (584, 492590), (620, 463988), (730, 394072), (868, 331420), (908, 316820), (1022, 281480), (1085, 265136), (1135, 253456), (1168, 246295), (1240, 231994), (1460, 197036), (1589, 181040), (1736, 165710), (1816, 158410), (2044, 140740), (2170, 132568), (2263, 127120), (2270, 126728), (2480, 115997), (2555, 112592), (2920, 98518), (3178, 90520), (3472, 82855), (3632, 79205), (4088, 70370), (4340, 66284), (4526, 63560), (4540, 63364), (5110, 56296), (5840, 49259), (6356, 45260), (7037, 40880), (7945, 36208), (8176, 35185), (8680, 33142), (9052, 31780), (9080, 31682), (10220, 28148), (11315, 25424), (12712, 22630), (14074, 20440), (15841, 18160), (15890, 18104), (16571, 17360)]