7835220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 26208000

約数和(自身を除く): 18372780

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, 79, 87, 90, 95, 114, 116, 145, 158, 171, 174, 180, 190, 228, 237, 261, 285, 290, 316, 342, 348, 380, 395, 435, 474, 522, 551, 570, 580, 684, 711, 790, 855, 870, 948, 1044, 1102, 1140, 1185, 1305, 1422, 1501, 1580, 1653, 1710, 1740, 2204, 2291, 2370, 2610, 2755, 2844, 3002, 3306, 3420, 3555, 4503, 4582, 4740, 4959, 5220, 5510, 6004, 6612, 6873, 7110, 7505, 8265, 9006, 9164, 9918, 11020, 11455, 13509, 13746, 14220, 15010, 16530, 18012, 19836, 20619, 22515, 22910, 24795, 27018, 27492, 30020, 33060, 34365, 41238, 43529, 45030, 45820, 49590, 54036, 67545, 68730, 82476, 87058, 90060, 99180, 103095, 130587, 135090, 137460, 174116, 206190, 217645, 261174, 270180, 391761, 412380, 435290, 522348, 652935, 783522, 870580, 1305870, 1567044, 1958805, 2611740, 3917610, 7835220]

約数ペア:

[(1, 7835220), (2, 3917610), (3, 2611740), (4, 1958805), (5, 1567044), (6, 1305870), (9, 870580), (10, 783522), (12, 652935), (15, 522348), (18, 435290), (19, 412380), (20, 391761), (29, 270180), (30, 261174), (36, 217645), (38, 206190), (45, 174116), (57, 137460), (58, 135090), (60, 130587), (76, 103095), (79, 99180), (87, 90060), (90, 87058), (95, 82476), (114, 68730), (116, 67545), (145, 54036), (158, 49590), (171, 45820), (174, 45030), (180, 43529), (190, 41238), (228, 34365), (237, 33060), (261, 30020), (285, 27492), (290, 27018), (316, 24795), (342, 22910), (348, 22515), (380, 20619), (395, 19836), (435, 18012), (474, 16530), (522, 15010), (551, 14220), (570, 13746), (580, 13509), (684, 11455), (711, 11020), (790, 9918), (855, 9164), (870, 9006), (948, 8265), (1044, 7505), (1102, 7110), (1140, 6873), (1185, 6612), (1305, 6004), (1422, 5510), (1501, 5220), (1580, 4959), (1653, 4740), (1710, 4582), (1740, 4503), (2204, 3555), (2291, 3420), (2370, 3306), (2610, 3002), (2755, 2844)]