163208240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1294

約数の個数: 80

約数和(自身を含む): 411952800

約数和(自身を除く): 248744560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 695, 1040, 1112, 1129, 1390, 1807, 2224, 2258, 2780, 3614, 4516, 5560, 5645, 7228, 9032, 9035, 11120, 11290, 14456, 14677, 18064, 18070, 22580, 28912, 29354, 36140, 45160, 58708, 72280, 73385, 90320, 117416, 144560, 146770, 156931, 234832, 293540, 313862, 587080, 627724, 784655, 1174160, 1255448, 1569310, 2040103, 2510896, 3138620, 4080206, 6277240, 8160412, 10200515, 12554480, 16320824, 20401030, 32641648, 40802060, 81604120, 163208240]

約数ペア:

[(1, 163208240), (2, 81604120), (4, 40802060), (5, 32641648), (8, 20401030), (10, 16320824), (13, 12554480), (16, 10200515), (20, 8160412), (26, 6277240), (40, 4080206), (52, 3138620), (65, 2510896), (80, 2040103), (104, 1569310), (130, 1255448), (139, 1174160), (208, 784655), (260, 627724), (278, 587080), (520, 313862), (556, 293540), (695, 234832), (1040, 156931), (1112, 146770), (1129, 144560), (1390, 117416), (1807, 90320), (2224, 73385), (2258, 72280), (2780, 58708), (3614, 45160), (4516, 36140), (5560, 29354), (5645, 28912), (7228, 22580), (9032, 18070), (9035, 18064), (11120, 14677), (11290, 14456)]