153835640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 420249600

約数和(自身を除く): 266413960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 434, 479, 518, 620, 740, 868, 958, 1036, 1085, 1147, 1240, 1295, 1480, 1736, 1916, 2072, 2170, 2294, 2395, 2590, 3353, 3832, 4340, 4588, 4790, 5180, 5735, 6706, 8029, 8680, 9176, 9580, 10360, 11470, 13412, 14849, 16058, 16765, 17723, 19160, 22940, 26824, 29698, 32116, 33530, 35446, 40145, 45880, 59396, 64232, 67060, 70892, 74245, 80290, 88615, 103943, 118792, 124061, 134120, 141784, 148490, 160580, 177230, 207886, 248122, 296980, 321160, 354460, 415772, 496244, 519715, 549413, 593960, 620305, 708920, 831544, 992488, 1039430, 1098826, 1240610, 2078860, 2197652, 2481220, 2747065, 3845891, 4157720, 4395304, 4962440, 5494130, 7691782, 10988260, 15383564, 19229455, 21976520, 30767128, 38458910, 76917820, 153835640]

約数ペア:

[(1, 153835640), (2, 76917820), (4, 38458910), (5, 30767128), (7, 21976520), (8, 19229455), (10, 15383564), (14, 10988260), (20, 7691782), (28, 5494130), (31, 4962440), (35, 4395304), (37, 4157720), (40, 3845891), (56, 2747065), (62, 2481220), (70, 2197652), (74, 2078860), (124, 1240610), (140, 1098826), (148, 1039430), (155, 992488), (185, 831544), (217, 708920), (248, 620305), (259, 593960), (280, 549413), (296, 519715), (310, 496244), (370, 415772), (434, 354460), (479, 321160), (518, 296980), (620, 248122), (740, 207886), (868, 177230), (958, 160580), (1036, 148490), (1085, 141784), (1147, 134120), (1240, 124061), (1295, 118792), (1480, 103943), (1736, 88615), (1916, 80290), (2072, 74245), (2170, 70892), (2294, 67060), (2395, 64232), (2590, 59396), (3353, 45880), (3832, 40145), (4340, 35446), (4588, 33530), (4790, 32116), (5180, 29698), (5735, 26824), (6706, 22940), (8029, 19160), (8680, 17723), (9176, 16765), (9580, 16058), (10360, 14849), (11470, 13412)]