797528320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 2001484800

約数和(自身を除く): 1203956480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 199, 202, 248, 256, 310, 320, 398, 404, 496, 505, 620, 640, 796, 808, 992, 995, 1010, 1240, 1280, 1592, 1616, 1984, 1990, 2020, 2480, 3131, 3184, 3232, 3968, 3980, 4040, 4960, 6169, 6262, 6368, 6464, 7936, 7960, 8080, 9920, 12338, 12524, 12736, 12928, 15655, 15920, 16160, 19840, 20099, 24676, 25048, 25472, 25856, 30845, 31310, 31840, 32320, 39680, 40198, 49352, 50096, 50944, 61690, 62620, 63680, 64640, 80396, 98704, 100192, 100495, 123380, 125240, 127360, 129280, 160792, 197408, 200384, 200990, 246760, 250480, 254720, 321584, 394816, 400768, 401980, 493520, 500960, 623069, 643168, 789632, 801536, 803960, 987040, 1001920, 1246138, 1286336, 1579264, 1607920, 1974080, 2003840, 2492276, 2572672, 3115345, 3215840, 3948160, 4007680, 4984552, 5145344, 6230690, 6431680, 7896320, 9969104, 12461380, 12863360, 19938208, 24922760, 25726720, 39876416, 49845520, 79752832, 99691040, 159505664, 199382080, 398764160, 797528320]

約数ペア:

[(1, 797528320), (2, 398764160), (4, 199382080), (5, 159505664), (8, 99691040), (10, 79752832), (16, 49845520), (20, 39876416), (31, 25726720), (32, 24922760), (40, 19938208), (62, 12863360), (64, 12461380), (80, 9969104), (101, 7896320), (124, 6431680), (128, 6230690), (155, 5145344), (160, 4984552), (199, 4007680), (202, 3948160), (248, 3215840), (256, 3115345), (310, 2572672), (320, 2492276), (398, 2003840), (404, 1974080), (496, 1607920), (505, 1579264), (620, 1286336), (640, 1246138), (796, 1001920), (808, 987040), (992, 803960), (995, 801536), (1010, 789632), (1240, 643168), (1280, 623069), (1592, 500960), (1616, 493520), (1984, 401980), (1990, 400768), (2020, 394816), (2480, 321584), (3131, 254720), (3184, 250480), (3232, 246760), (3968, 200990), (3980, 200384), (4040, 197408), (4960, 160792), (6169, 129280), (6262, 127360), (6368, 125240), (6464, 123380), (7936, 100495), (7960, 100192), (8080, 98704), (9920, 80396), (12338, 64640), (12524, 63680), (12736, 62620), (12928, 61690), (15655, 50944), (15920, 50096), (16160, 49352), (19840, 40198), (20099, 39680), (24676, 32320), (25048, 31840), (25472, 31310), (25856, 30845)]