31920642

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 80

約数和(自身を含む): 80498880

約数和(自身を除く): 48578238

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 598, 621, 659, 702, 897, 1053, 1242, 1318, 1794, 1863, 1977, 2106, 2691, 3726, 3954, 5382, 5931, 8073, 8567, 11862, 15157, 16146, 17134, 17793, 24219, 25701, 30314, 35586, 45471, 48438, 51402, 53379, 77103, 90942, 106758, 136413, 154206, 197041, 231309, 272826, 394082, 409239, 462618, 591123, 693927, 818478, 1182246, 1227717, 1387854, 1773369, 2455434, 3546738, 5320107, 10640214, 15960321, 31920642]

約数ペア:

[(1, 31920642), (2, 15960321), (3, 10640214), (6, 5320107), (9, 3546738), (13, 2455434), (18, 1773369), (23, 1387854), (26, 1227717), (27, 1182246), (39, 818478), (46, 693927), (54, 591123), (69, 462618), (78, 409239), (81, 394082), (117, 272826), (138, 231309), (162, 197041), (207, 154206), (234, 136413), (299, 106758), (351, 90942), (414, 77103), (598, 53379), (621, 51402), (659, 48438), (702, 45471), (897, 35586), (1053, 30314), (1242, 25701), (1318, 24219), (1794, 17793), (1863, 17134), (1977, 16146), (2106, 15157), (2691, 11862), (3726, 8567), (3954, 8073), (5382, 5931)]