87439520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:635

約数の個数: 144

約数和(自身を含む): 253380960

約数和(自身を除く): 165941440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 587, 608, 665, 760, 784, 931, 980, 1064, 1120, 1174, 1330, 1520, 1568, 1862, 1960, 2128, 2348, 2660, 2935, 3040, 3724, 3920, 4109, 4256, 4655, 4696, 5320, 5870, 7448, 7840, 8218, 9310, 9392, 10640, 11153, 11740, 14896, 16436, 18620, 18784, 20545, 21280, 22306, 23480, 28763, 29792, 32872, 37240, 41090, 44612, 46960, 55765, 57526, 65744, 74480, 78071, 82180, 89224, 93920, 111530, 115052, 131488, 143815, 148960, 156142, 164360, 178448, 223060, 230104, 287630, 312284, 328720, 356896, 390355, 446120, 460208, 546497, 575260, 624568, 657440, 780710, 892240, 920416, 1092994, 1150520, 1249136, 1561420, 1784480, 2185988, 2301040, 2498272, 2732485, 3122840, 4371976, 4602080, 5464970, 6245680, 8743952, 10929940, 12491360, 17487904, 21859880, 43719760, 87439520]

約数ペア:

[(1, 87439520), (2, 43719760), (4, 21859880), (5, 17487904), (7, 12491360), (8, 10929940), (10, 8743952), (14, 6245680), (16, 5464970), (19, 4602080), (20, 4371976), (28, 3122840), (32, 2732485), (35, 2498272), (38, 2301040), (40, 2185988), (49, 1784480), (56, 1561420), (70, 1249136), (76, 1150520), (80, 1092994), (95, 920416), (98, 892240), (112, 780710), (133, 657440), (140, 624568), (152, 575260), (160, 546497), (190, 460208), (196, 446120), (224, 390355), (245, 356896), (266, 328720), (280, 312284), (304, 287630), (380, 230104), (392, 223060), (490, 178448), (532, 164360), (560, 156142), (587, 148960), (608, 143815), (665, 131488), (760, 115052), (784, 111530), (931, 93920), (980, 89224), (1064, 82180), (1120, 78071), (1174, 74480), (1330, 65744), (1520, 57526), (1568, 55765), (1862, 46960), (1960, 44612), (2128, 41090), (2348, 37240), (2660, 32872), (2935, 29792), (3040, 28763), (3724, 23480), (3920, 22306), (4109, 21280), (4256, 20545), (4655, 18784), (4696, 18620), (5320, 16436), (5870, 14896), (7448, 11740), (7840, 11153), (8218, 10640), (9310, 9392)]