2019201840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{47533}}^1$

素因数の和:47611

約数の個数: 120

約数和(自身を含む): 6896232720

約数和(自身を除く): 4877030880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1770, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 7080, 8496, 10620, 14160, 21240, 42480, 47533, 95066, 142599, 190132, 237665, 285198, 380264, 427797, 475330, 570396, 712995, 760528, 855594, 950660, 1140792, 1425990, 1711188, 1901320, 2138985, 2281584, 2804447, 2851980, 3422376, 3802640, 4277970, 5608894, 5703960, 6844752, 8413341, 8555940, 11217788, 11407920, 14022235, 16826682, 17111880, 22435576, 25240023, 28044470, 33653364, 34223760, 42066705, 44871152, 50480046, 56088940, 67306728, 84133410, 100960092, 112177880, 126200115, 134613456, 168266820, 201920184, 224355760, 252400230, 336533640, 403840368, 504800460, 673067280, 1009600920, 2019201840]

約数ペア:

[(1, 2019201840), (2, 1009600920), (3, 673067280), (4, 504800460), (5, 403840368), (6, 336533640), (8, 252400230), (9, 224355760), (10, 201920184), (12, 168266820), (15, 134613456), (16, 126200115), (18, 112177880), (20, 100960092), (24, 84133410), (30, 67306728), (36, 56088940), (40, 50480046), (45, 44871152), (48, 42066705), (59, 34223760), (60, 33653364), (72, 28044470), (80, 25240023), (90, 22435576), (118, 17111880), (120, 16826682), (144, 14022235), (177, 11407920), (180, 11217788), (236, 8555940), (240, 8413341), (295, 6844752), (354, 5703960), (360, 5608894), (472, 4277970), (531, 3802640), (590, 3422376), (708, 2851980), (720, 2804447), (885, 2281584), (944, 2138985), (1062, 1901320), (1180, 1711188), (1416, 1425990), (1770, 1140792), (2124, 950660), (2360, 855594), (2655, 760528), (2832, 712995), (3540, 570396), (4248, 475330), (4720, 427797), (5310, 380264), (7080, 285198), (8496, 237665), (10620, 190132), (14160, 142599), (21240, 95066), (42480, 47533)]