80434980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 266011200

約数和(自身を除く): 185576220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 811, 855, 870, 1044, 1102, 1140, 1305, 1622, 1653, 1710, 1740, 2204, 2433, 2610, 2755, 3244, 3306, 3420, 4055, 4866, 4959, 5220, 5510, 6612, 7299, 8110, 8265, 9732, 9918, 11020, 12165, 14598, 15409, 16220, 16530, 19836, 23519, 24330, 24795, 29196, 30818, 33060, 36495, 46227, 47038, 48660, 49590, 61636, 70557, 72990, 77045, 92454, 94076, 99180, 117595, 138681, 141114, 145980, 154090, 184908, 211671, 231135, 235190, 277362, 282228, 308180, 352785, 423342, 446861, 462270, 470380, 554724, 693405, 705570, 846684, 893722, 924540, 1058355, 1340583, 1386810, 1411140, 1787444, 2116710, 2234305, 2681166, 2773620, 4021749, 4233420, 4468610, 5362332, 6702915, 8043498, 8937220, 13405830, 16086996, 20108745, 26811660, 40217490, 80434980]

約数ペア:

[(1, 80434980), (2, 40217490), (3, 26811660), (4, 20108745), (5, 16086996), (6, 13405830), (9, 8937220), (10, 8043498), (12, 6702915), (15, 5362332), (18, 4468610), (19, 4233420), (20, 4021749), (29, 2773620), (30, 2681166), (36, 2234305), (38, 2116710), (45, 1787444), (57, 1411140), (58, 1386810), (60, 1340583), (76, 1058355), (87, 924540), (90, 893722), (95, 846684), (114, 705570), (116, 693405), (145, 554724), (171, 470380), (174, 462270), (180, 446861), (190, 423342), (228, 352785), (261, 308180), (285, 282228), (290, 277362), (342, 235190), (348, 231135), (380, 211671), (435, 184908), (522, 154090), (551, 145980), (570, 141114), (580, 138681), (684, 117595), (811, 99180), (855, 94076), (870, 92454), (1044, 77045), (1102, 72990), (1140, 70557), (1305, 61636), (1622, 49590), (1653, 48660), (1710, 47038), (1740, 46227), (2204, 36495), (2433, 33060), (2610, 30818), (2755, 29196), (3244, 24795), (3306, 24330), (3420, 23519), (4055, 19836), (4866, 16530), (4959, 16220), (5220, 15409), (5510, 14598), (6612, 12165), (7299, 11020), (8110, 9918), (8265, 9732)]