15674702080

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{644519}}^1$

素因数の和:644559

約数の個数: 72

約数和(自身を含む): 39521966400

約数和(自身を除く): 23847264320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 644519, 1289038, 2578076, 3222595, 5156152, 6445190, 10312304, 12245861, 12890380, 20624608, 24491722, 25780760, 41249216, 48983444, 51561520, 61229305, 82498432, 97966888, 103123040, 122458610, 164996864, 195933776, 206246080, 244917220, 391867552, 412492160, 489834440, 783735104, 824984320, 979668880, 1567470208, 1959337760, 3134940416, 3918675520, 7837351040, 15674702080]

約数ペア:

[(1, 15674702080), (2, 7837351040), (4, 3918675520), (5, 3134940416), (8, 1959337760), (10, 1567470208), (16, 979668880), (19, 824984320), (20, 783735104), (32, 489834440), (38, 412492160), (40, 391867552), (64, 244917220), (76, 206246080), (80, 195933776), (95, 164996864), (128, 122458610), (152, 103123040), (160, 97966888), (190, 82498432), (256, 61229305), (304, 51561520), (320, 48983444), (380, 41249216), (608, 25780760), (640, 24491722), (760, 20624608), (1216, 12890380), (1280, 12245861), (1520, 10312304), (2432, 6445190), (3040, 5156152), (4864, 3222595), (6080, 2578076), (12160, 1289038), (24320, 644519)]