81390204

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:760

約数の個数: 96

約数和(自身を含む): 242816000

約数和(自身を除く): 161425796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 199, 252, 378, 398, 541, 597, 756, 796, 1082, 1194, 1393, 1623, 1791, 2164, 2388, 2786, 3246, 3582, 3787, 4179, 4869, 5373, 5572, 6492, 7164, 7574, 8358, 9738, 10746, 11361, 12537, 14607, 15148, 16716, 19476, 21492, 22722, 25074, 29214, 34083, 37611, 45444, 50148, 58428, 68166, 75222, 102249, 107659, 136332, 150444, 204498, 215318, 322977, 408996, 430636, 645954, 753613, 968931, 1291908, 1507226, 1937862, 2260839, 2906793, 3014452, 3875724, 4521678, 5813586, 6782517, 9043356, 11627172, 13565034, 20347551, 27130068, 40695102, 81390204]

約数ペア:

[(1, 81390204), (2, 40695102), (3, 27130068), (4, 20347551), (6, 13565034), (7, 11627172), (9, 9043356), (12, 6782517), (14, 5813586), (18, 4521678), (21, 3875724), (27, 3014452), (28, 2906793), (36, 2260839), (42, 1937862), (54, 1507226), (63, 1291908), (84, 968931), (108, 753613), (126, 645954), (189, 430636), (199, 408996), (252, 322977), (378, 215318), (398, 204498), (541, 150444), (597, 136332), (756, 107659), (796, 102249), (1082, 75222), (1194, 68166), (1393, 58428), (1623, 50148), (1791, 45444), (2164, 37611), (2388, 34083), (2786, 29214), (3246, 25074), (3582, 22722), (3787, 21492), (4179, 19476), (4869, 16716), (5373, 15148), (5572, 14607), (6492, 12537), (7164, 11361), (7574, 10746), (8358, 9738)]