85699880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 235872000

約数和(自身を除く): 150172120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 89, 95, 133, 140, 152, 178, 181, 190, 266, 280, 356, 362, 380, 445, 532, 623, 665, 712, 724, 760, 890, 905, 1064, 1246, 1267, 1330, 1448, 1691, 1780, 1810, 2492, 2534, 2660, 3115, 3382, 3439, 3560, 3620, 4984, 5068, 5320, 6230, 6335, 6764, 6878, 7240, 8455, 10136, 11837, 12460, 12670, 13528, 13756, 16109, 16910, 17195, 23674, 24073, 24920, 25340, 27512, 32218, 33820, 34390, 47348, 48146, 50680, 59185, 64436, 67640, 68780, 80545, 94696, 96292, 112763, 118370, 120365, 128872, 137560, 161090, 192584, 225526, 236740, 240730, 306071, 322180, 451052, 473480, 481460, 563815, 612142, 644360, 902104, 962920, 1127630, 1224284, 1530355, 2142497, 2255260, 2448568, 3060710, 4284994, 4510520, 6121420, 8569988, 10712485, 12242840, 17139976, 21424970, 42849940, 85699880]

約数ペア:

[(1, 85699880), (2, 42849940), (4, 21424970), (5, 17139976), (7, 12242840), (8, 10712485), (10, 8569988), (14, 6121420), (19, 4510520), (20, 4284994), (28, 3060710), (35, 2448568), (38, 2255260), (40, 2142497), (56, 1530355), (70, 1224284), (76, 1127630), (89, 962920), (95, 902104), (133, 644360), (140, 612142), (152, 563815), (178, 481460), (181, 473480), (190, 451052), (266, 322180), (280, 306071), (356, 240730), (362, 236740), (380, 225526), (445, 192584), (532, 161090), (623, 137560), (665, 128872), (712, 120365), (724, 118370), (760, 112763), (890, 96292), (905, 94696), (1064, 80545), (1246, 68780), (1267, 67640), (1330, 64436), (1448, 59185), (1691, 50680), (1780, 48146), (1810, 47348), (2492, 34390), (2534, 33820), (2660, 32218), (3115, 27512), (3382, 25340), (3439, 24920), (3560, 24073), (3620, 23674), (4984, 17195), (5068, 16910), (5320, 16109), (6230, 13756), (6335, 13528), (6764, 12670), (6878, 12460), (7240, 11837), (8455, 10136)]