71919180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 144

約数和(自身を含む): 243341280

約数和(自身を除く): 171422100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1237, 1292, 1530, 1615, 1710, 1938, 2474, 2907, 3060, 3230, 3420, 3711, 3876, 4845, 4948, 5814, 6185, 6460, 7422, 9690, 11133, 11628, 12370, 14535, 14844, 18555, 19380, 21029, 22266, 23503, 24740, 29070, 37110, 42058, 44532, 47006, 55665, 58140, 63087, 70509, 74220, 84116, 94012, 105145, 111330, 117515, 126174, 141018, 189261, 210290, 211527, 222660, 235030, 252348, 282036, 315435, 352545, 378522, 399551, 420580, 423054, 470060, 630870, 705090, 757044, 799102, 846108, 946305, 1057635, 1198653, 1261740, 1410180, 1598204, 1892610, 1997755, 2115270, 2397306, 3595959, 3785220, 3995510, 4230540, 4794612, 5993265, 7191918, 7991020, 11986530, 14383836, 17979795, 23973060, 35959590, 71919180]

約数ペア:

[(1, 71919180), (2, 35959590), (3, 23973060), (4, 17979795), (5, 14383836), (6, 11986530), (9, 7991020), (10, 7191918), (12, 5993265), (15, 4794612), (17, 4230540), (18, 3995510), (19, 3785220), (20, 3595959), (30, 2397306), (34, 2115270), (36, 1997755), (38, 1892610), (45, 1598204), (51, 1410180), (57, 1261740), (60, 1198653), (68, 1057635), (76, 946305), (85, 846108), (90, 799102), (95, 757044), (102, 705090), (114, 630870), (153, 470060), (170, 423054), (171, 420580), (180, 399551), (190, 378522), (204, 352545), (228, 315435), (255, 282036), (285, 252348), (306, 235030), (323, 222660), (340, 211527), (342, 210290), (380, 189261), (510, 141018), (570, 126174), (612, 117515), (646, 111330), (684, 105145), (765, 94012), (855, 84116), (969, 74220), (1020, 70509), (1140, 63087), (1237, 58140), (1292, 55665), (1530, 47006), (1615, 44532), (1710, 42058), (1938, 37110), (2474, 29070), (2907, 24740), (3060, 23503), (3230, 22266), (3420, 21029), (3711, 19380), (3876, 18555), (4845, 14844), (4948, 14535), (5814, 12370), (6185, 11628), (6460, 11133), (7422, 9690)]