61491290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 133816320

約数和(自身を除く): 72325030

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 43, 62, 70, 86, 155, 215, 217, 301, 310, 430, 434, 602, 659, 1085, 1318, 1333, 1505, 2170, 2666, 3010, 3295, 4613, 6590, 6665, 9226, 9331, 13330, 18662, 20429, 23065, 28337, 40858, 46130, 46655, 56674, 93310, 102145, 141685, 143003, 198359, 204290, 283370, 286006, 396718, 715015, 878447, 991795, 1430030, 1756894, 1983590, 4392235, 6149129, 8784470, 12298258, 30745645, 61491290]

約数ペア:

[(1, 61491290), (2, 30745645), (5, 12298258), (7, 8784470), (10, 6149129), (14, 4392235), (31, 1983590), (35, 1756894), (43, 1430030), (62, 991795), (70, 878447), (86, 715015), (155, 396718), (215, 286006), (217, 283370), (301, 204290), (310, 198359), (430, 143003), (434, 141685), (602, 102145), (659, 93310), (1085, 56674), (1318, 46655), (1333, 46130), (1505, 40858), (2170, 28337), (2666, 23065), (3010, 20429), (3295, 18662), (4613, 13330), (6590, 9331), (6665, 9226)]