18804524940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{81047}}^1$

素因数の和:82351

約数の個数: 72

約数和(自身を含む): 57085348320

約数和(自身を除く): 38280823380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1289, 2578, 3867, 5156, 6445, 7734, 11601, 12890, 15468, 19335, 23202, 25780, 38670, 46404, 58005, 77340, 81047, 116010, 162094, 232020, 243141, 324188, 405235, 486282, 729423, 810470, 972564, 1215705, 1458846, 1620940, 2431410, 2917692, 3647115, 4862820, 7294230, 14588460, 104469583, 208939166, 313408749, 417878332, 522347915, 626817498, 940226247, 1044695830, 1253634996, 1567043745, 1880452494, 2089391660, 3134087490, 3760904988, 4701131235, 6268174980, 9402262470, 18804524940]

約数ペア:

[(1, 18804524940), (2, 9402262470), (3, 6268174980), (4, 4701131235), (5, 3760904988), (6, 3134087490), (9, 2089391660), (10, 1880452494), (12, 1567043745), (15, 1253634996), (18, 1044695830), (20, 940226247), (30, 626817498), (36, 522347915), (45, 417878332), (60, 313408749), (90, 208939166), (180, 104469583), (1289, 14588460), (2578, 7294230), (3867, 4862820), (5156, 3647115), (6445, 2917692), (7734, 2431410), (11601, 1620940), (12890, 1458846), (15468, 1215705), (19335, 972564), (23202, 810470), (25780, 729423), (38670, 486282), (46404, 405235), (58005, 324188), (77340, 243141), (81047, 232020), (116010, 162094)]