153441320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 238469080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 58, 62, 68, 85, 116, 124, 136, 145, 155, 170, 232, 248, 251, 290, 310, 340, 493, 502, 527, 580, 620, 680, 899, 986, 1004, 1054, 1160, 1240, 1255, 1798, 1972, 2008, 2108, 2465, 2510, 2635, 3596, 3944, 4216, 4267, 4495, 4930, 5020, 5270, 7192, 7279, 7781, 8534, 8990, 9860, 10040, 10540, 14558, 15283, 15562, 17068, 17980, 19720, 21080, 21335, 29116, 30566, 31124, 34136, 35960, 36395, 38905, 42670, 58232, 61132, 62248, 72790, 76415, 77810, 85340, 122264, 123743, 132277, 145580, 152830, 155620, 170680, 225649, 247486, 264554, 291160, 305660, 311240, 451298, 494972, 529108, 611320, 618715, 661385, 902596, 989944, 1058216, 1128245, 1237430, 1322770, 1805192, 2256490, 2474860, 2645540, 3836033, 4512980, 4949720, 5291080, 7672066, 9025960, 15344132, 19180165, 30688264, 38360330, 76720660, 153441320]

約数ペア:

[(1, 153441320), (2, 76720660), (4, 38360330), (5, 30688264), (8, 19180165), (10, 15344132), (17, 9025960), (20, 7672066), (29, 5291080), (31, 4949720), (34, 4512980), (40, 3836033), (58, 2645540), (62, 2474860), (68, 2256490), (85, 1805192), (116, 1322770), (124, 1237430), (136, 1128245), (145, 1058216), (155, 989944), (170, 902596), (232, 661385), (248, 618715), (251, 611320), (290, 529108), (310, 494972), (340, 451298), (493, 311240), (502, 305660), (527, 291160), (580, 264554), (620, 247486), (680, 225649), (899, 170680), (986, 155620), (1004, 152830), (1054, 145580), (1160, 132277), (1240, 123743), (1255, 122264), (1798, 85340), (1972, 77810), (2008, 76415), (2108, 72790), (2465, 62248), (2510, 61132), (2635, 58232), (3596, 42670), (3944, 38905), (4216, 36395), (4267, 35960), (4495, 34136), (4930, 31124), (5020, 30566), (5270, 29116), (7192, 21335), (7279, 21080), (7781, 19720), (8534, 17980), (8990, 17068), (9860, 15562), (10040, 15283), (10540, 14558)]