131040180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 420114240

約数和(自身を除く): 289074060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 236, 243, 270, 295, 324, 354, 405, 457, 486, 531, 540, 590, 708, 810, 885, 914, 972, 1062, 1180, 1215, 1371, 1593, 1620, 1770, 1828, 2124, 2285, 2430, 2655, 2742, 3186, 3540, 4113, 4570, 4779, 4860, 5310, 5484, 6372, 6855, 7965, 8226, 9140, 9558, 10620, 12339, 13710, 14337, 15930, 16452, 19116, 20565, 23895, 24678, 26963, 27420, 28674, 31860, 37017, 41130, 47790, 49356, 53926, 57348, 61695, 71685, 74034, 80889, 82260, 95580, 107852, 111051, 123390, 134815, 143370, 148068, 161778, 185085, 222102, 242667, 246780, 269630, 286740, 323556, 370170, 404445, 444204, 485334, 539260, 555255, 728001, 740340, 808890, 970668, 1110510, 1213335, 1456002, 1617780, 2184003, 2221020, 2426670, 2912004, 3640005, 4368006, 4853340, 6552009, 7280010, 8736012, 10920015, 13104018, 14560020, 21840030, 26208036, 32760045, 43680060, 65520090, 131040180]

約数ペア:

[(1, 131040180), (2, 65520090), (3, 43680060), (4, 32760045), (5, 26208036), (6, 21840030), (9, 14560020), (10, 13104018), (12, 10920015), (15, 8736012), (18, 7280010), (20, 6552009), (27, 4853340), (30, 4368006), (36, 3640005), (45, 2912004), (54, 2426670), (59, 2221020), (60, 2184003), (81, 1617780), (90, 1456002), (108, 1213335), (118, 1110510), (135, 970668), (162, 808890), (177, 740340), (180, 728001), (236, 555255), (243, 539260), (270, 485334), (295, 444204), (324, 404445), (354, 370170), (405, 323556), (457, 286740), (486, 269630), (531, 246780), (540, 242667), (590, 222102), (708, 185085), (810, 161778), (885, 148068), (914, 143370), (972, 134815), (1062, 123390), (1180, 111051), (1215, 107852), (1371, 95580), (1593, 82260), (1620, 80889), (1770, 74034), (1828, 71685), (2124, 61695), (2285, 57348), (2430, 53926), (2655, 49356), (2742, 47790), (3186, 41130), (3540, 37017), (4113, 31860), (4570, 28674), (4779, 27420), (4860, 26963), (5310, 24678), (5484, 23895), (6372, 20565), (6855, 19116), (7965, 16452), (8226, 15930), (9140, 14337), (9558, 13710), (10620, 12339)]