3145880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 7603200

約数和(自身を除く): 4457320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 59, 62, 86, 118, 124, 155, 172, 215, 236, 248, 295, 310, 344, 430, 472, 590, 620, 860, 1180, 1240, 1333, 1720, 1829, 2360, 2537, 2666, 3658, 5074, 5332, 6665, 7316, 9145, 10148, 10664, 12685, 13330, 14632, 18290, 20296, 25370, 26660, 36580, 50740, 53320, 73160, 78647, 101480, 157294, 314588, 393235, 629176, 786470, 1572940, 3145880]

約数ペア:

[(1, 3145880), (2, 1572940), (4, 786470), (5, 629176), (8, 393235), (10, 314588), (20, 157294), (31, 101480), (40, 78647), (43, 73160), (59, 53320), (62, 50740), (86, 36580), (118, 26660), (124, 25370), (155, 20296), (172, 18290), (215, 14632), (236, 13330), (248, 12685), (295, 10664), (310, 10148), (344, 9145), (430, 7316), (472, 6665), (590, 5332), (620, 5074), (860, 3658), (1180, 2666), (1240, 2537), (1333, 2360), (1720, 1829)]