77513580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1301}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 236016144

約数和(自身を除く): 158502564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1301, 1324, 1655, 1986, 2602, 2979, 3310, 3903, 3972, 4965, 5204, 5958, 6505, 6620, 7806, 9930, 11709, 11916, 13010, 14895, 15612, 19515, 19860, 23418, 26020, 29790, 39030, 46836, 58545, 59580, 78060, 117090, 234180, 430631, 861262, 1291893, 1722524, 2153155, 2583786, 3875679, 4306310, 5167572, 6459465, 7751358, 8612620, 12918930, 15502716, 19378395, 25837860, 38756790, 77513580]

約数ペア:

[(1, 77513580), (2, 38756790), (3, 25837860), (4, 19378395), (5, 15502716), (6, 12918930), (9, 8612620), (10, 7751358), (12, 6459465), (15, 5167572), (18, 4306310), (20, 3875679), (30, 2583786), (36, 2153155), (45, 1722524), (60, 1291893), (90, 861262), (180, 430631), (331, 234180), (662, 117090), (993, 78060), (1301, 59580), (1324, 58545), (1655, 46836), (1986, 39030), (2602, 29790), (2979, 26020), (3310, 23418), (3903, 19860), (3972, 19515), (4965, 15612), (5204, 14895), (5958, 13010), (6505, 11916), (6620, 11709), (7806, 9930)]