20510143360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{7643}}^1$

素因数の和:8268

約数の個数: 128

約数和(自身を含む): 56137536000

約数和(自身を除く): 35627392640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 599, 640, 896, 1120, 1198, 2240, 2396, 2995, 4193, 4480, 4792, 5990, 7643, 8386, 9584, 11980, 15286, 16772, 19168, 20965, 23960, 30572, 33544, 38215, 38336, 41930, 47920, 53501, 61144, 67088, 76430, 76672, 83860, 95840, 107002, 122288, 134176, 152860, 167720, 191680, 214004, 244576, 267505, 268352, 305720, 335440, 383360, 428008, 489152, 535010, 536704, 611440, 670880, 856016, 978304, 1070020, 1222880, 1341760, 1712032, 2140040, 2445760, 2683520, 3424064, 4280080, 4578157, 4891520, 6848128, 8560160, 9156314, 17120320, 18312628, 22890785, 32047099, 34240640, 36625256, 45781570, 64094198, 73250512, 91563140, 128188396, 146501024, 160235495, 183126280, 256376792, 293002048, 320470990, 366252560, 512753584, 586004096, 640941980, 732505120, 1025507168, 1281883960, 1465010240, 2051014336, 2563767920, 2930020480, 4102028672, 5127535840, 10255071680, 20510143360]

約数ペア:

[(1, 20510143360), (2, 10255071680), (4, 5127535840), (5, 4102028672), (7, 2930020480), (8, 2563767920), (10, 2051014336), (14, 1465010240), (16, 1281883960), (20, 1025507168), (28, 732505120), (32, 640941980), (35, 586004096), (40, 512753584), (56, 366252560), (64, 320470990), (70, 293002048), (80, 256376792), (112, 183126280), (128, 160235495), (140, 146501024), (160, 128188396), (224, 91563140), (280, 73250512), (320, 64094198), (448, 45781570), (560, 36625256), (599, 34240640), (640, 32047099), (896, 22890785), (1120, 18312628), (1198, 17120320), (2240, 9156314), (2396, 8560160), (2995, 6848128), (4193, 4891520), (4480, 4578157), (4792, 4280080), (5990, 3424064), (7643, 2683520), (8386, 2445760), (9584, 2140040), (11980, 1712032), (15286, 1341760), (16772, 1222880), (19168, 1070020), (20965, 978304), (23960, 856016), (30572, 670880), (33544, 611440), (38215, 536704), (38336, 535010), (41930, 489152), (47920, 428008), (53501, 383360), (61144, 335440), (67088, 305720), (76430, 268352), (76672, 267505), (83860, 244576), (95840, 214004), (107002, 191680), (122288, 167720), (134176, 152860)]