80111178

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1572

約数の個数: 72

約数和(自身を含む): 205360740

約数和(自身を除く): 125249562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 61, 63, 98, 122, 126, 147, 183, 294, 366, 427, 441, 549, 854, 882, 1098, 1281, 1489, 2562, 2978, 2989, 3843, 4467, 5978, 7686, 8934, 8967, 10423, 13401, 17934, 20846, 26802, 26901, 31269, 53802, 62538, 72961, 90829, 93807, 145922, 181658, 187614, 218883, 272487, 437766, 544974, 635803, 656649, 817461, 1271606, 1313298, 1634922, 1907409, 3814818, 4450621, 5722227, 8901242, 11444454, 13351863, 26703726, 40055589, 80111178]

約数ペア:

[(1, 80111178), (2, 40055589), (3, 26703726), (6, 13351863), (7, 11444454), (9, 8901242), (14, 5722227), (18, 4450621), (21, 3814818), (42, 1907409), (49, 1634922), (61, 1313298), (63, 1271606), (98, 817461), (122, 656649), (126, 635803), (147, 544974), (183, 437766), (294, 272487), (366, 218883), (427, 187614), (441, 181658), (549, 145922), (854, 93807), (882, 90829), (1098, 72961), (1281, 62538), (1489, 53802), (2562, 31269), (2978, 26901), (2989, 26802), (3843, 20846), (4467, 17934), (5978, 13401), (7686, 10423), (8934, 8967)]