61231380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 203394240

約数和(自身を除く): 142162860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 196, 210, 236, 245, 294, 295, 353, 354, 413, 420, 490, 588, 590, 706, 708, 735, 826, 885, 980, 1059, 1180, 1239, 1412, 1470, 1652, 1765, 1770, 2065, 2118, 2471, 2478, 2891, 2940, 3530, 3540, 4130, 4236, 4942, 4956, 5295, 5782, 6195, 7060, 7413, 8260, 8673, 9884, 10590, 11564, 12355, 12390, 14455, 14826, 17297, 17346, 20827, 21180, 24710, 24780, 28910, 29652, 34594, 34692, 37065, 41654, 43365, 49420, 51891, 57820, 62481, 69188, 74130, 83308, 86485, 86730, 103782, 104135, 124962, 145789, 148260, 172970, 173460, 207564, 208270, 249924, 259455, 291578, 312405, 345940, 416540, 437367, 518910, 583156, 624810, 728945, 874734, 1020523, 1037820, 1249620, 1457890, 1749468, 2041046, 2186835, 2915780, 3061569, 4082092, 4373670, 5102615, 6123138, 8747340, 10205230, 12246276, 15307845, 20410460, 30615690, 61231380]

約数ペア:

[(1, 61231380), (2, 30615690), (3, 20410460), (4, 15307845), (5, 12246276), (6, 10205230), (7, 8747340), (10, 6123138), (12, 5102615), (14, 4373670), (15, 4082092), (20, 3061569), (21, 2915780), (28, 2186835), (30, 2041046), (35, 1749468), (42, 1457890), (49, 1249620), (59, 1037820), (60, 1020523), (70, 874734), (84, 728945), (98, 624810), (105, 583156), (118, 518910), (140, 437367), (147, 416540), (177, 345940), (196, 312405), (210, 291578), (236, 259455), (245, 249924), (294, 208270), (295, 207564), (353, 173460), (354, 172970), (413, 148260), (420, 145789), (490, 124962), (588, 104135), (590, 103782), (706, 86730), (708, 86485), (735, 83308), (826, 74130), (885, 69188), (980, 62481), (1059, 57820), (1180, 51891), (1239, 49420), (1412, 43365), (1470, 41654), (1652, 37065), (1765, 34692), (1770, 34594), (2065, 29652), (2118, 28910), (2471, 24780), (2478, 24710), (2891, 21180), (2940, 20827), (3530, 17346), (3540, 17297), (4130, 14826), (4236, 14455), (4942, 12390), (4956, 12355), (5295, 11564), (5782, 10590), (6195, 9884), (7060, 8673), (7413, 8260)]