69643980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1836

約数の個数: 144

約数和(自身を含む): 249360384

約数和(自身を除く): 179716404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1783, 1860, 1953, 2170, 2604, 2790, 3255, 3566, 3906, 4340, 5349, 5580, 6510, 7132, 7812, 8915, 9765, 10698, 12481, 13020, 16047, 17830, 19530, 21396, 24962, 26745, 32094, 35660, 37443, 39060, 49924, 53490, 55273, 62405, 64188, 74886, 80235, 106980, 110546, 112329, 124810, 149772, 160470, 165819, 187215, 221092, 224658, 249620, 276365, 320940, 331638, 374430, 386911, 449316, 497457, 552730, 561645, 663276, 748860, 773822, 829095, 994914, 1105460, 1123290, 1160733, 1547644, 1658190, 1934555, 1989828, 2246580, 2321466, 2487285, 3316380, 3482199, 3869110, 4642932, 4974570, 5803665, 6964398, 7738220, 9949140, 11607330, 13928796, 17410995, 23214660, 34821990, 69643980]

約数ペア:

[(1, 69643980), (2, 34821990), (3, 23214660), (4, 17410995), (5, 13928796), (6, 11607330), (7, 9949140), (9, 7738220), (10, 6964398), (12, 5803665), (14, 4974570), (15, 4642932), (18, 3869110), (20, 3482199), (21, 3316380), (28, 2487285), (30, 2321466), (31, 2246580), (35, 1989828), (36, 1934555), (42, 1658190), (45, 1547644), (60, 1160733), (62, 1123290), (63, 1105460), (70, 994914), (84, 829095), (90, 773822), (93, 748860), (105, 663276), (124, 561645), (126, 552730), (140, 497457), (155, 449316), (180, 386911), (186, 374430), (210, 331638), (217, 320940), (252, 276365), (279, 249620), (310, 224658), (315, 221092), (372, 187215), (420, 165819), (434, 160470), (465, 149772), (558, 124810), (620, 112329), (630, 110546), (651, 106980), (868, 80235), (930, 74886), (1085, 64188), (1116, 62405), (1260, 55273), (1302, 53490), (1395, 49924), (1783, 39060), (1860, 37443), (1953, 35660), (2170, 32094), (2604, 26745), (2790, 24962), (3255, 21396), (3566, 19530), (3906, 17830), (4340, 16047), (5349, 13020), (5580, 12481), (6510, 10698), (7132, 9765), (7812, 8915)]