42578480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 114159360

約数和(自身を除く): 71580880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 547, 556, 560, 695, 973, 1094, 1112, 1390, 1946, 2188, 2224, 2735, 2780, 3829, 3892, 4376, 4865, 5470, 5560, 7658, 7784, 8752, 9730, 10940, 11120, 15316, 15568, 19145, 19460, 21880, 30632, 38290, 38920, 43760, 61264, 76033, 76580, 77840, 152066, 153160, 304132, 306320, 380165, 532231, 608264, 760330, 1064462, 1216528, 1520660, 2128924, 2661155, 3041320, 4257848, 5322310, 6082640, 8515696, 10644620, 21289240, 42578480]

約数ペア:

[(1, 42578480), (2, 21289240), (4, 10644620), (5, 8515696), (7, 6082640), (8, 5322310), (10, 4257848), (14, 3041320), (16, 2661155), (20, 2128924), (28, 1520660), (35, 1216528), (40, 1064462), (56, 760330), (70, 608264), (80, 532231), (112, 380165), (139, 306320), (140, 304132), (278, 153160), (280, 152066), (547, 77840), (556, 76580), (560, 76033), (695, 61264), (973, 43760), (1094, 38920), (1112, 38290), (1390, 30632), (1946, 21880), (2188, 19460), (2224, 19145), (2735, 15568), (2780, 15316), (3829, 11120), (3892, 10940), (4376, 9730), (4865, 8752), (5470, 7784), (5560, 7658)]