128219280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{10903}}^1$

素因数の和:10933

約数の個数: 120

約数和(自身を含む): 462416832

約数和(自身を除く): 334197552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 10903, 11760, 21806, 32709, 43612, 54515, 65418, 76321, 87224, 109030, 130836, 152642, 163545, 174448, 218060, 228963, 261672, 305284, 327090, 381605, 436120, 457926, 523344, 534247, 610568, 654180, 763210, 872240, 915852, 1068494, 1144815, 1221136, 1308360, 1526420, 1602741, 1831704, 2136988, 2289630, 2616720, 2671235, 3052840, 3205482, 3663408, 4273976, 4579260, 5342470, 6105680, 6410964, 8013705, 8547952, 9158520, 10684940, 12821928, 16027410, 18317040, 21369880, 25643856, 32054820, 42739760, 64109640, 128219280]

約数ペア:

[(1, 128219280), (2, 64109640), (3, 42739760), (4, 32054820), (5, 25643856), (6, 21369880), (7, 18317040), (8, 16027410), (10, 12821928), (12, 10684940), (14, 9158520), (15, 8547952), (16, 8013705), (20, 6410964), (21, 6105680), (24, 5342470), (28, 4579260), (30, 4273976), (35, 3663408), (40, 3205482), (42, 3052840), (48, 2671235), (49, 2616720), (56, 2289630), (60, 2136988), (70, 1831704), (80, 1602741), (84, 1526420), (98, 1308360), (105, 1221136), (112, 1144815), (120, 1068494), (140, 915852), (147, 872240), (168, 763210), (196, 654180), (210, 610568), (240, 534247), (245, 523344), (280, 457926), (294, 436120), (336, 381605), (392, 327090), (420, 305284), (490, 261672), (560, 228963), (588, 218060), (735, 174448), (784, 163545), (840, 152642), (980, 130836), (1176, 109030), (1470, 87224), (1680, 76321), (1960, 65418), (2352, 54515), (2940, 43612), (3920, 32709), (5880, 21806), (10903, 11760)]