320565120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1060

約数の個数: 128

約数和(自身を含む): 1028160000

約数和(自身を除く): 707594880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 320, 384, 398, 480, 597, 640, 796, 839, 960, 995, 1194, 1592, 1678, 1920, 1990, 2388, 2517, 2985, 3184, 3356, 3980, 4195, 4776, 5034, 5970, 6368, 6712, 7960, 8390, 9552, 10068, 11940, 12585, 12736, 13424, 15920, 16780, 19104, 20136, 23880, 25170, 25472, 26848, 31840, 33560, 38208, 40272, 47760, 50340, 53696, 63680, 67120, 76416, 80544, 95520, 100680, 107392, 127360, 134240, 161088, 166961, 191040, 201360, 268480, 322176, 333922, 382080, 402720, 500883, 536960, 667844, 805440, 834805, 1001766, 1335688, 1610880, 1669610, 2003532, 2504415, 2671376, 3339220, 4007064, 5008830, 5342752, 6678440, 8014128, 10017660, 10685504, 13356880, 16028256, 20035320, 21371008, 26713760, 32056512, 40070640, 53427520, 64113024, 80141280, 106855040, 160282560, 320565120]

約数ペア:

[(1, 320565120), (2, 160282560), (3, 106855040), (4, 80141280), (5, 64113024), (6, 53427520), (8, 40070640), (10, 32056512), (12, 26713760), (15, 21371008), (16, 20035320), (20, 16028256), (24, 13356880), (30, 10685504), (32, 10017660), (40, 8014128), (48, 6678440), (60, 5342752), (64, 5008830), (80, 4007064), (96, 3339220), (120, 2671376), (128, 2504415), (160, 2003532), (192, 1669610), (199, 1610880), (240, 1335688), (320, 1001766), (384, 834805), (398, 805440), (480, 667844), (597, 536960), (640, 500883), (796, 402720), (839, 382080), (960, 333922), (995, 322176), (1194, 268480), (1592, 201360), (1678, 191040), (1920, 166961), (1990, 161088), (2388, 134240), (2517, 127360), (2985, 107392), (3184, 100680), (3356, 95520), (3980, 80544), (4195, 76416), (4776, 67120), (5034, 63680), (5970, 53696), (6368, 50340), (6712, 47760), (7960, 40272), (8390, 38208), (9552, 33560), (10068, 31840), (11940, 26848), (12585, 25472), (12736, 25170), (13424, 23880), (15920, 20136), (16780, 19104)]