77920199325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{563}}^1\times {\mathrm{21211}}^1$

素因数の和:21819

約数の個数: 72

約数和(自身を含む): 144639537120

約数和(自身を除く): 66719337795

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 563, 725, 1305, 1689, 2175, 2815, 5067, 6525, 8445, 14075, 16327, 21211, 25335, 42225, 48981, 63633, 81635, 106055, 126675, 146943, 190899, 244905, 318165, 408175, 530275, 615119, 734715, 954495, 1224525, 1590825, 1845357, 3075595, 3673575, 4772475, 5536071, 9226785, 11941793, 15377975, 27680355, 35825379, 46133925, 59708965, 107476137, 138401775, 179126895, 298544825, 346311997, 537380685, 895634475, 1038935991, 1731559985, 2686903425, 3116807973, 5194679955, 8657799925, 15584039865, 25973399775, 77920199325]

約数ペア:

[(1, 77920199325), (3, 25973399775), (5, 15584039865), (9, 8657799925), (15, 5194679955), (25, 3116807973), (29, 2686903425), (45, 1731559985), (75, 1038935991), (87, 895634475), (145, 537380685), (225, 346311997), (261, 298544825), (435, 179126895), (563, 138401775), (725, 107476137), (1305, 59708965), (1689, 46133925), (2175, 35825379), (2815, 27680355), (5067, 15377975), (6525, 11941793), (8445, 9226785), (14075, 5536071), (16327, 4772475), (21211, 3673575), (25335, 3075595), (42225, 1845357), (48981, 1590825), (63633, 1224525), (81635, 954495), (106055, 734715), (126675, 615119), (146943, 530275), (190899, 408175), (244905, 318165)]