15691794760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{20323}}^1$

素因数の和:20630

約数の個数: 64

約数和(自身を含む): 35851536000

約数和(自身を除く): 20159741240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 199, 388, 398, 485, 776, 796, 970, 995, 1592, 1940, 1990, 3880, 3980, 7960, 19303, 20323, 38606, 40646, 77212, 81292, 96515, 101615, 154424, 162584, 193030, 203230, 386060, 406460, 772120, 812920, 1971331, 3942662, 4044277, 7885324, 8088554, 9856655, 15770648, 16177108, 19713310, 20221385, 32354216, 39426620, 40442770, 78853240, 80885540, 161771080, 392294869, 784589738, 1569179476, 1961474345, 3138358952, 3922948690, 7845897380, 15691794760]

約数ペア:

[(1, 15691794760), (2, 7845897380), (4, 3922948690), (5, 3138358952), (8, 1961474345), (10, 1569179476), (20, 784589738), (40, 392294869), (97, 161771080), (194, 80885540), (199, 78853240), (388, 40442770), (398, 39426620), (485, 32354216), (776, 20221385), (796, 19713310), (970, 16177108), (995, 15770648), (1592, 9856655), (1940, 8088554), (1990, 7885324), (3880, 4044277), (3980, 3942662), (7960, 1971331), (19303, 812920), (20323, 772120), (38606, 406460), (40646, 386060), (77212, 203230), (81292, 193030), (96515, 162584), (101615, 154424)]