81963690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2843}}^1$

素因数の和:2915

約数の個数: 48

約数和(自身を含む): 203334624

約数和(自身を除く): 121370934

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 961, 1922, 2843, 2883, 4805, 5686, 5766, 8529, 9610, 14215, 14415, 17058, 28430, 28830, 42645, 85290, 88133, 176266, 264399, 440665, 528798, 881330, 1321995, 2643990, 2732123, 5464246, 8196369, 13660615, 16392738, 27321230, 40981845, 81963690]

約数ペア:

[(1, 81963690), (2, 40981845), (3, 27321230), (5, 16392738), (6, 13660615), (10, 8196369), (15, 5464246), (30, 2732123), (31, 2643990), (62, 1321995), (93, 881330), (155, 528798), (186, 440665), (310, 264399), (465, 176266), (930, 88133), (961, 85290), (1922, 42645), (2843, 28830), (2883, 28430), (4805, 17058), (5686, 14415), (5766, 14215), (8529, 9610)]