69929180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 157739904

約数和(自身を除く): 87810724

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 61, 62, 86, 122, 124, 155, 172, 215, 244, 305, 310, 430, 610, 620, 860, 1220, 1333, 1849, 1891, 2623, 2666, 3698, 3782, 5246, 5332, 6665, 7396, 7564, 9245, 9455, 10492, 13115, 13330, 18490, 18910, 26230, 26660, 36980, 37820, 52460, 57319, 81313, 112789, 114638, 162626, 225578, 229276, 286595, 325252, 406565, 451156, 563945, 573190, 813130, 1127890, 1146380, 1626260, 2255780, 3496459, 6992918, 13985836, 17482295, 34964590, 69929180]

約数ペア:

[(1, 69929180), (2, 34964590), (4, 17482295), (5, 13985836), (10, 6992918), (20, 3496459), (31, 2255780), (43, 1626260), (61, 1146380), (62, 1127890), (86, 813130), (122, 573190), (124, 563945), (155, 451156), (172, 406565), (215, 325252), (244, 286595), (305, 229276), (310, 225578), (430, 162626), (610, 114638), (620, 112789), (860, 81313), (1220, 57319), (1333, 52460), (1849, 37820), (1891, 36980), (2623, 26660), (2666, 26230), (3698, 18910), (3782, 18490), (5246, 13330), (5332, 13115), (6665, 10492), (7396, 9455), (7564, 9245)]