64756800780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{851839}}^1$

素因数の和:852039

約数の個数: 96

約数和(自身を含む): 208366878720

約数和(自身を除く): 143610077940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 181, 210, 362, 420, 543, 724, 905, 1086, 1267, 1810, 2172, 2534, 2715, 3620, 3801, 5068, 5430, 6335, 7602, 10860, 12670, 15204, 19005, 25340, 38010, 76020, 851839, 1703678, 2555517, 3407356, 4259195, 5111034, 5962873, 8518390, 10222068, 11925746, 12777585, 17036780, 17888619, 23851492, 25555170, 29814365, 35777238, 51110340, 59628730, 71554476, 89443095, 119257460, 154182859, 178886190, 308365718, 357772380, 462548577, 616731436, 770914295, 925097154, 1079280013, 1541828590, 1850194308, 2158560026, 2312742885, 3083657180, 3237840039, 4317120052, 4625485770, 5396400065, 6475680078, 9250971540, 10792800130, 12951360156, 16189200195, 21585600260, 32378400390, 64756800780]

約数ペア:

[(1, 64756800780), (2, 32378400390), (3, 21585600260), (4, 16189200195), (5, 12951360156), (6, 10792800130), (7, 9250971540), (10, 6475680078), (12, 5396400065), (14, 4625485770), (15, 4317120052), (20, 3237840039), (21, 3083657180), (28, 2312742885), (30, 2158560026), (35, 1850194308), (42, 1541828590), (60, 1079280013), (70, 925097154), (84, 770914295), (105, 616731436), (140, 462548577), (181, 357772380), (210, 308365718), (362, 178886190), (420, 154182859), (543, 119257460), (724, 89443095), (905, 71554476), (1086, 59628730), (1267, 51110340), (1810, 35777238), (2172, 29814365), (2534, 25555170), (2715, 23851492), (3620, 17888619), (3801, 17036780), (5068, 12777585), (5430, 11925746), (6335, 10222068), (7602, 8518390), (10860, 5962873), (12670, 5111034), (15204, 4259195), (19005, 3407356), (25340, 2555517), (38010, 1703678), (76020, 851839)]