1861263180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77747}}^1$

素因数の和:77788

約数の個数: 144

約数和(自身を含む): 6792065280

約数和(自身を除く): 4930802100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 77747, 155494, 233241, 310988, 388735, 466482, 544229, 699723, 777470, 932964, 1088458, 1166205, 1399446, 1477193, 1554940, 1632687, 2176916, 2332410, 2721145, 2798892, 2954386, 3265374, 3498615, 4431579, 4664820, 4898061, 5442290, 5908772, 6530748, 6997230, 7385965, 8163435, 8863158, 9796122, 10340351, 10884580, 13294737, 13994460, 14771930, 16326870, 17726316, 19592244, 20680702, 22157895, 24490305, 26589474, 29543860, 31021053, 32653740, 41361404, 44315790, 48980610, 51701755, 53178948, 62042106, 66473685, 88631580, 93063159, 97961220, 103403510, 124084212, 132947370, 155105265, 186126318, 206807020, 265894740, 310210530, 372252636, 465315795, 620421060, 930631590, 1861263180]

約数ペア:

[(1, 1861263180), (2, 930631590), (3, 620421060), (4, 465315795), (5, 372252636), (6, 310210530), (7, 265894740), (9, 206807020), (10, 186126318), (12, 155105265), (14, 132947370), (15, 124084212), (18, 103403510), (19, 97961220), (20, 93063159), (21, 88631580), (28, 66473685), (30, 62042106), (35, 53178948), (36, 51701755), (38, 48980610), (42, 44315790), (45, 41361404), (57, 32653740), (60, 31021053), (63, 29543860), (70, 26589474), (76, 24490305), (84, 22157895), (90, 20680702), (95, 19592244), (105, 17726316), (114, 16326870), (126, 14771930), (133, 13994460), (140, 13294737), (171, 10884580), (180, 10340351), (190, 9796122), (210, 8863158), (228, 8163435), (252, 7385965), (266, 6997230), (285, 6530748), (315, 5908772), (342, 5442290), (380, 4898061), (399, 4664820), (420, 4431579), (532, 3498615), (570, 3265374), (630, 2954386), (665, 2798892), (684, 2721145), (798, 2332410), (855, 2176916), (1140, 1632687), (1197, 1554940), (1260, 1477193), (1330, 1399446), (1596, 1166205), (1710, 1088458), (1995, 932964), (2394, 777470), (2660, 699723), (3420, 544229), (3990, 466482), (4788, 388735), (5985, 310988), (7980, 233241), (11970, 155494), (23940, 77747)]