121842840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2081

約数の個数: 128

約数和(自身を含む): 423682560

約数和(自身を除く): 301839720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 1987, 2044, 2190, 2555, 2920, 3066, 3974, 4088, 4380, 5110, 5961, 6132, 7665, 7948, 8760, 9935, 10220, 11922, 12264, 13909, 15330, 15896, 19870, 20440, 23844, 27818, 29805, 30660, 39740, 41727, 47688, 55636, 59610, 61320, 69545, 79480, 83454, 111272, 119220, 139090, 145051, 166908, 208635, 238440, 278180, 290102, 333816, 417270, 435153, 556360, 580204, 725255, 834540, 870306, 1015357, 1160408, 1450510, 1669080, 1740612, 2030714, 2175765, 2901020, 3046071, 3481224, 4061428, 4351530, 5076785, 5802040, 6092142, 8122856, 8703060, 10153570, 12184284, 15230355, 17406120, 20307140, 24368568, 30460710, 40614280, 60921420, 121842840]

約数ペア:

[(1, 121842840), (2, 60921420), (3, 40614280), (4, 30460710), (5, 24368568), (6, 20307140), (7, 17406120), (8, 15230355), (10, 12184284), (12, 10153570), (14, 8703060), (15, 8122856), (20, 6092142), (21, 5802040), (24, 5076785), (28, 4351530), (30, 4061428), (35, 3481224), (40, 3046071), (42, 2901020), (56, 2175765), (60, 2030714), (70, 1740612), (73, 1669080), (84, 1450510), (105, 1160408), (120, 1015357), (140, 870306), (146, 834540), (168, 725255), (210, 580204), (219, 556360), (280, 435153), (292, 417270), (365, 333816), (420, 290102), (438, 278180), (511, 238440), (584, 208635), (730, 166908), (840, 145051), (876, 139090), (1022, 119220), (1095, 111272), (1460, 83454), (1533, 79480), (1752, 69545), (1987, 61320), (2044, 59610), (2190, 55636), (2555, 47688), (2920, 41727), (3066, 39740), (3974, 30660), (4088, 29805), (4380, 27818), (5110, 23844), (5961, 20440), (6132, 19870), (7665, 15896), (7948, 15330), (8760, 13909), (9935, 12264), (10220, 11922)]