67636420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 152651520

約数和(自身を除く): 85015100

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 59, 62, 86, 118, 124, 155, 172, 215, 236, 295, 310, 430, 590, 620, 860, 1180, 1333, 1829, 1849, 2537, 2666, 3658, 3698, 5074, 5332, 6665, 7316, 7396, 9145, 9245, 10148, 12685, 13330, 18290, 18490, 25370, 26660, 36580, 36980, 50740, 57319, 78647, 109091, 114638, 157294, 218182, 229276, 286595, 314588, 393235, 436364, 545455, 573190, 786470, 1090910, 1146380, 1572940, 2181820, 3381821, 6763642, 13527284, 16909105, 33818210, 67636420]

約数ペア:

[(1, 67636420), (2, 33818210), (4, 16909105), (5, 13527284), (10, 6763642), (20, 3381821), (31, 2181820), (43, 1572940), (59, 1146380), (62, 1090910), (86, 786470), (118, 573190), (124, 545455), (155, 436364), (172, 393235), (215, 314588), (236, 286595), (295, 229276), (310, 218182), (430, 157294), (590, 114638), (620, 109091), (860, 78647), (1180, 57319), (1333, 50740), (1829, 36980), (1849, 36580), (2537, 26660), (2666, 25370), (3658, 18490), (3698, 18290), (5074, 13330), (5332, 12685), (6665, 10148), (7316, 9245), (7396, 9145)]