156548980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 398764800

約数和(自身を除く): 242215820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 229, 257, 266, 380, 458, 514, 532, 665, 916, 1028, 1145, 1285, 1330, 1603, 1799, 2290, 2570, 2660, 3206, 3598, 4351, 4580, 4883, 5140, 6412, 7196, 8015, 8702, 8995, 9766, 16030, 17404, 17990, 19532, 21755, 24415, 30457, 32060, 34181, 35980, 43510, 48830, 58853, 60914, 68362, 87020, 97660, 117706, 121828, 136724, 152285, 170905, 235412, 294265, 304570, 341810, 411971, 588530, 609140, 683620, 823942, 1118207, 1177060, 1647884, 2059855, 2236414, 4119710, 4472828, 5591035, 7827449, 8239420, 11182070, 15654898, 22364140, 31309796, 39137245, 78274490, 156548980]

約数ペア:

[(1, 156548980), (2, 78274490), (4, 39137245), (5, 31309796), (7, 22364140), (10, 15654898), (14, 11182070), (19, 8239420), (20, 7827449), (28, 5591035), (35, 4472828), (38, 4119710), (70, 2236414), (76, 2059855), (95, 1647884), (133, 1177060), (140, 1118207), (190, 823942), (229, 683620), (257, 609140), (266, 588530), (380, 411971), (458, 341810), (514, 304570), (532, 294265), (665, 235412), (916, 170905), (1028, 152285), (1145, 136724), (1285, 121828), (1330, 117706), (1603, 97660), (1799, 87020), (2290, 68362), (2570, 60914), (2660, 58853), (3206, 48830), (3598, 43510), (4351, 35980), (4580, 34181), (4883, 32060), (5140, 30457), (6412, 24415), (7196, 21755), (8015, 19532), (8702, 17990), (8995, 17404), (9766, 16030)]