81864160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3888

約数の個数: 96

約数和(自身を含む): 232727040

約数和(自身を除く): 150862880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 3847, 4256, 5320, 7694, 10640, 15388, 19235, 21280, 26929, 30776, 38470, 53858, 61552, 73093, 76940, 107716, 123104, 134645, 146186, 153880, 215432, 269290, 292372, 307760, 365465, 430864, 511651, 538580, 584744, 615520, 730930, 861728, 1023302, 1077160, 1169488, 1461860, 2046604, 2154320, 2338976, 2558255, 2923720, 4093208, 4308640, 5116510, 5847440, 8186416, 10233020, 11694880, 16372832, 20466040, 40932080, 81864160]

約数ペア:

[(1, 81864160), (2, 40932080), (4, 20466040), (5, 16372832), (7, 11694880), (8, 10233020), (10, 8186416), (14, 5847440), (16, 5116510), (19, 4308640), (20, 4093208), (28, 2923720), (32, 2558255), (35, 2338976), (38, 2154320), (40, 2046604), (56, 1461860), (70, 1169488), (76, 1077160), (80, 1023302), (95, 861728), (112, 730930), (133, 615520), (140, 584744), (152, 538580), (160, 511651), (190, 430864), (224, 365465), (266, 307760), (280, 292372), (304, 269290), (380, 215432), (532, 153880), (560, 146186), (608, 134645), (665, 123104), (760, 107716), (1064, 76940), (1120, 73093), (1330, 61552), (1520, 53858), (2128, 38470), (2660, 30776), (3040, 26929), (3847, 21280), (4256, 19235), (5320, 15388), (7694, 10640)]