80406684

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 212051840

約数和(自身を除く): 131645156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 109, 124, 186, 218, 279, 327, 372, 436, 558, 654, 661, 981, 1116, 1308, 1322, 1962, 1983, 2644, 3379, 3924, 3966, 5949, 6758, 7932, 10137, 11898, 13516, 20274, 20491, 23796, 30411, 40548, 40982, 60822, 61473, 72049, 81964, 121644, 122946, 144098, 184419, 216147, 245892, 288196, 368838, 432294, 648441, 737676, 864588, 1296882, 2233519, 2593764, 4467038, 6700557, 8934076, 13401114, 20101671, 26802228, 40203342, 80406684]

約数ペア:

[(1, 80406684), (2, 40203342), (3, 26802228), (4, 20101671), (6, 13401114), (9, 8934076), (12, 6700557), (18, 4467038), (31, 2593764), (36, 2233519), (62, 1296882), (93, 864588), (109, 737676), (124, 648441), (186, 432294), (218, 368838), (279, 288196), (327, 245892), (372, 216147), (436, 184419), (558, 144098), (654, 122946), (661, 121644), (981, 81964), (1116, 72049), (1308, 61473), (1322, 60822), (1962, 40982), (1983, 40548), (2644, 30411), (3379, 23796), (3924, 20491), (3966, 20274), (5949, 13516), (6758, 11898), (7932, 10137)]