81050940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15527}}^1$

素因数の和:15571

約数の個数: 72

約数和(自身を含む): 254348640

約数和(自身を除く): 173297700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15527, 31054, 46581, 62108, 77635, 93162, 139743, 155270, 186324, 232905, 279486, 310540, 450283, 465810, 558972, 698715, 900566, 931620, 1350849, 1397430, 1801132, 2251415, 2701698, 2794860, 4052547, 4502830, 5403396, 6754245, 8105094, 9005660, 13508490, 16210188, 20262735, 27016980, 40525470, 81050940]

約数ペア:

[(1, 81050940), (2, 40525470), (3, 27016980), (4, 20262735), (5, 16210188), (6, 13508490), (9, 9005660), (10, 8105094), (12, 6754245), (15, 5403396), (18, 4502830), (20, 4052547), (29, 2794860), (30, 2701698), (36, 2251415), (45, 1801132), (58, 1397430), (60, 1350849), (87, 931620), (90, 900566), (116, 698715), (145, 558972), (174, 465810), (180, 450283), (261, 310540), (290, 279486), (348, 232905), (435, 186324), (522, 155270), (580, 139743), (870, 93162), (1044, 77635), (1305, 62108), (1740, 46581), (2610, 31054), (5220, 15527)]