156925720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 423014400

約数和(自身を除く): 266088680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 101, 124, 140, 155, 179, 202, 217, 248, 280, 310, 358, 404, 434, 505, 620, 707, 716, 808, 868, 895, 1010, 1085, 1240, 1253, 1414, 1432, 1736, 1790, 2020, 2170, 2506, 2828, 3131, 3535, 3580, 4040, 4340, 5012, 5549, 5656, 6262, 6265, 7070, 7160, 8680, 10024, 11098, 12524, 12530, 14140, 15655, 18079, 21917, 22196, 25048, 25060, 27745, 28280, 31310, 36158, 38843, 43834, 44392, 50120, 55490, 62620, 72316, 77686, 87668, 90395, 109585, 110980, 125240, 126553, 144632, 155372, 175336, 180790, 194215, 219170, 221960, 253106, 310744, 361580, 388430, 438340, 506212, 560449, 632765, 723160, 776860, 876680, 1012424, 1120898, 1265530, 1553720, 2241796, 2531060, 2802245, 3923143, 4483592, 5062120, 5604490, 7846286, 11208980, 15692572, 19615715, 22417960, 31385144, 39231430, 78462860, 156925720]

約数ペア:

[(1, 156925720), (2, 78462860), (4, 39231430), (5, 31385144), (7, 22417960), (8, 19615715), (10, 15692572), (14, 11208980), (20, 7846286), (28, 5604490), (31, 5062120), (35, 4483592), (40, 3923143), (56, 2802245), (62, 2531060), (70, 2241796), (101, 1553720), (124, 1265530), (140, 1120898), (155, 1012424), (179, 876680), (202, 776860), (217, 723160), (248, 632765), (280, 560449), (310, 506212), (358, 438340), (404, 388430), (434, 361580), (505, 310744), (620, 253106), (707, 221960), (716, 219170), (808, 194215), (868, 180790), (895, 175336), (1010, 155372), (1085, 144632), (1240, 126553), (1253, 125240), (1414, 110980), (1432, 109585), (1736, 90395), (1790, 87668), (2020, 77686), (2170, 72316), (2506, 62620), (2828, 55490), (3131, 50120), (3535, 44392), (3580, 43834), (4040, 38843), (4340, 36158), (5012, 31310), (5549, 28280), (5656, 27745), (6262, 25060), (6265, 25048), (7070, 22196), (7160, 21917), (8680, 18079), (10024, 15655), (11098, 14140), (12524, 12530)]