157807780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9059}}^1$

素因数の和:9148

約数の個数: 48

約数和(自身を含む): 362255040

約数和(自身を除く): 204447260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 9059, 17420, 18118, 36236, 45295, 90590, 117767, 181180, 235534, 471068, 588835, 606953, 1177670, 1213906, 2355340, 2427812, 3034765, 6069530, 7890389, 12139060, 15780778, 31561556, 39451945, 78903890, 157807780]

約数ペア:

[(1, 157807780), (2, 78903890), (4, 39451945), (5, 31561556), (10, 15780778), (13, 12139060), (20, 7890389), (26, 6069530), (52, 3034765), (65, 2427812), (67, 2355340), (130, 1213906), (134, 1177670), (260, 606953), (268, 588835), (335, 471068), (670, 235534), (871, 181180), (1340, 117767), (1742, 90590), (3484, 45295), (4355, 36236), (8710, 18118), (9059, 17420)]