157410820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 428319360

約数和(自身を除く): 270908540

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 59, 68, 70, 76, 85, 95, 118, 119, 133, 140, 170, 190, 236, 238, 266, 295, 323, 340, 380, 413, 476, 532, 590, 595, 646, 665, 826, 1003, 1121, 1180, 1190, 1292, 1330, 1615, 1652, 2006, 2065, 2242, 2261, 2380, 2660, 3230, 3481, 4012, 4130, 4484, 4522, 5015, 5605, 6460, 6962, 7021, 7847, 8260, 9044, 10030, 11210, 11305, 13924, 14042, 15694, 17405, 19057, 20060, 22420, 22610, 24367, 28084, 31388, 34810, 35105, 38114, 39235, 45220, 48734, 59177, 66139, 69620, 70210, 76228, 78470, 95285, 97468, 118354, 121835, 132278, 133399, 140420, 156940, 190570, 236708, 243670, 264556, 266798, 295885, 330695, 381140, 414239, 462973, 487340, 533596, 591770, 661390, 666995, 828478, 925946, 1124363, 1183540, 1322780, 1333990, 1656956, 1851892, 2071195, 2248726, 2314865, 2667980, 4142390, 4497452, 4629730, 5621815, 7870541, 8284780, 9259460, 11243630, 15741082, 22487260, 31482164, 39352705, 78705410, 157410820]

約数ペア:

[(1, 157410820), (2, 78705410), (4, 39352705), (5, 31482164), (7, 22487260), (10, 15741082), (14, 11243630), (17, 9259460), (19, 8284780), (20, 7870541), (28, 5621815), (34, 4629730), (35, 4497452), (38, 4142390), (59, 2667980), (68, 2314865), (70, 2248726), (76, 2071195), (85, 1851892), (95, 1656956), (118, 1333990), (119, 1322780), (133, 1183540), (140, 1124363), (170, 925946), (190, 828478), (236, 666995), (238, 661390), (266, 591770), (295, 533596), (323, 487340), (340, 462973), (380, 414239), (413, 381140), (476, 330695), (532, 295885), (590, 266798), (595, 264556), (646, 243670), (665, 236708), (826, 190570), (1003, 156940), (1121, 140420), (1180, 133399), (1190, 132278), (1292, 121835), (1330, 118354), (1615, 97468), (1652, 95285), (2006, 78470), (2065, 76228), (2242, 70210), (2261, 69620), (2380, 66139), (2660, 59177), (3230, 48734), (3481, 45220), (4012, 39235), (4130, 38114), (4484, 35105), (4522, 34810), (5015, 31388), (5605, 28084), (6460, 24367), (6962, 22610), (7021, 22420), (7847, 20060), (8260, 19057), (9044, 17405), (10030, 15694), (11210, 14042), (11305, 13924)]