149608480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 420396480

約数和(自身を除く): 270788000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 139, 140, 155, 160, 217, 224, 248, 278, 280, 310, 434, 496, 556, 560, 620, 695, 868, 961, 973, 992, 1085, 1112, 1120, 1240, 1390, 1736, 1922, 1946, 2170, 2224, 2480, 2780, 3472, 3844, 3892, 4309, 4340, 4448, 4805, 4865, 4960, 5560, 6727, 6944, 7688, 7784, 8618, 8680, 9610, 9730, 11120, 13454, 15376, 15568, 17236, 17360, 19220, 19460, 21545, 22240, 26908, 30163, 30752, 31136, 33635, 34472, 34720, 38440, 38920, 43090, 53816, 60326, 67270, 68944, 76880, 77840, 86180, 107632, 120652, 133579, 134540, 137888, 150815, 153760, 155680, 172360, 215264, 241304, 267158, 269080, 301630, 344720, 482608, 534316, 538160, 603260, 667895, 689440, 935053, 965216, 1068632, 1076320, 1206520, 1335790, 1870106, 2137264, 2413040, 2671580, 3740212, 4274528, 4675265, 4826080, 5343160, 7480424, 9350530, 10686320, 14960848, 18701060, 21372640, 29921696, 37402120, 74804240, 149608480]

約数ペア:

[(1, 149608480), (2, 74804240), (4, 37402120), (5, 29921696), (7, 21372640), (8, 18701060), (10, 14960848), (14, 10686320), (16, 9350530), (20, 7480424), (28, 5343160), (31, 4826080), (32, 4675265), (35, 4274528), (40, 3740212), (56, 2671580), (62, 2413040), (70, 2137264), (80, 1870106), (112, 1335790), (124, 1206520), (139, 1076320), (140, 1068632), (155, 965216), (160, 935053), (217, 689440), (224, 667895), (248, 603260), (278, 538160), (280, 534316), (310, 482608), (434, 344720), (496, 301630), (556, 269080), (560, 267158), (620, 241304), (695, 215264), (868, 172360), (961, 155680), (973, 153760), (992, 150815), (1085, 137888), (1112, 134540), (1120, 133579), (1240, 120652), (1390, 107632), (1736, 86180), (1922, 77840), (1946, 76880), (2170, 68944), (2224, 67270), (2480, 60326), (2780, 53816), (3472, 43090), (3844, 38920), (3892, 38440), (4309, 34720), (4340, 34472), (4448, 33635), (4805, 31136), (4865, 30752), (4960, 30163), (5560, 26908), (6727, 22240), (6944, 21545), (7688, 19460), (7784, 19220), (8618, 17360), (8680, 17236), (9610, 15568), (9730, 15376), (11120, 13454)]