2840657320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1763

約数の個数: 128

約数和(自身を含む): 7094304000

約数和(自身を除く): 4253646680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 101, 115, 152, 184, 190, 202, 230, 380, 404, 437, 460, 505, 760, 808, 874, 920, 1010, 1609, 1748, 1919, 2020, 2185, 2323, 3218, 3496, 3838, 4040, 4370, 4646, 6436, 7676, 8045, 8740, 9292, 9595, 11615, 12872, 15352, 16090, 17480, 18584, 19190, 23230, 30571, 32180, 37007, 38380, 44137, 46460, 61142, 64360, 74014, 76760, 88274, 92920, 122284, 148028, 152855, 162509, 176548, 185035, 220685, 244568, 296056, 305710, 325018, 353096, 370070, 441370, 611420, 650036, 703133, 740140, 812545, 882740, 1222840, 1300072, 1406266, 1480280, 1625090, 1765480, 2812532, 3087671, 3250180, 3515665, 3737707, 5625064, 6175342, 6500360, 7031330, 7475414, 12350684, 14062660, 14950828, 15438355, 18688535, 24701368, 28125320, 29901656, 30876710, 37377070, 61753420, 71016433, 74754140, 123506840, 142032866, 149508280, 284065732, 355082165, 568131464, 710164330, 1420328660, 2840657320]

約数ペア:

[(1, 2840657320), (2, 1420328660), (4, 710164330), (5, 568131464), (8, 355082165), (10, 284065732), (19, 149508280), (20, 142032866), (23, 123506840), (38, 74754140), (40, 71016433), (46, 61753420), (76, 37377070), (92, 30876710), (95, 29901656), (101, 28125320), (115, 24701368), (152, 18688535), (184, 15438355), (190, 14950828), (202, 14062660), (230, 12350684), (380, 7475414), (404, 7031330), (437, 6500360), (460, 6175342), (505, 5625064), (760, 3737707), (808, 3515665), (874, 3250180), (920, 3087671), (1010, 2812532), (1609, 1765480), (1748, 1625090), (1919, 1480280), (2020, 1406266), (2185, 1300072), (2323, 1222840), (3218, 882740), (3496, 812545), (3838, 740140), (4040, 703133), (4370, 650036), (4646, 611420), (6436, 441370), (7676, 370070), (8045, 353096), (8740, 325018), (9292, 305710), (9595, 296056), (11615, 244568), (12872, 220685), (15352, 185035), (16090, 176548), (17480, 162509), (18584, 152855), (19190, 148028), (23230, 122284), (30571, 92920), (32180, 88274), (37007, 76760), (38380, 74014), (44137, 64360), (46460, 61142)]