81446160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 271589760

約数和(自身を除く): 190143600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 53, 57, 60, 76, 80, 95, 106, 114, 120, 152, 159, 190, 212, 228, 240, 265, 285, 304, 318, 337, 380, 424, 456, 530, 570, 636, 674, 760, 795, 848, 912, 1007, 1011, 1060, 1140, 1272, 1348, 1520, 1590, 1685, 2014, 2022, 2120, 2280, 2544, 2696, 3021, 3180, 3370, 4028, 4044, 4240, 4560, 5035, 5055, 5392, 6042, 6360, 6403, 6740, 8056, 8088, 10070, 10110, 12084, 12720, 12806, 13480, 15105, 16112, 16176, 17861, 19209, 20140, 20220, 24168, 25612, 26960, 30210, 32015, 35722, 38418, 40280, 40440, 48336, 51224, 53583, 60420, 64030, 71444, 76836, 80560, 80880, 89305, 96045, 102448, 107166, 120840, 128060, 142888, 153672, 178610, 192090, 214332, 241680, 256120, 267915, 285776, 307344, 339359, 357220, 384180, 428664, 512240, 535830, 678718, 714440, 768360, 857328, 1018077, 1071660, 1357436, 1428880, 1536720, 1696795, 2036154, 2143320, 2714872, 3393590, 4072308, 4286640, 5090385, 5429744, 6787180, 8144616, 10180770, 13574360, 16289232, 20361540, 27148720, 40723080, 81446160]

約数ペア:

[(1, 81446160), (2, 40723080), (3, 27148720), (4, 20361540), (5, 16289232), (6, 13574360), (8, 10180770), (10, 8144616), (12, 6787180), (15, 5429744), (16, 5090385), (19, 4286640), (20, 4072308), (24, 3393590), (30, 2714872), (38, 2143320), (40, 2036154), (48, 1696795), (53, 1536720), (57, 1428880), (60, 1357436), (76, 1071660), (80, 1018077), (95, 857328), (106, 768360), (114, 714440), (120, 678718), (152, 535830), (159, 512240), (190, 428664), (212, 384180), (228, 357220), (240, 339359), (265, 307344), (285, 285776), (304, 267915), (318, 256120), (337, 241680), (380, 214332), (424, 192090), (456, 178610), (530, 153672), (570, 142888), (636, 128060), (674, 120840), (760, 107166), (795, 102448), (848, 96045), (912, 89305), (1007, 80880), (1011, 80560), (1060, 76836), (1140, 71444), (1272, 64030), (1348, 60420), (1520, 53583), (1590, 51224), (1685, 48336), (2014, 40440), (2022, 40280), (2120, 38418), (2280, 35722), (2544, 32015), (2696, 30210), (3021, 26960), (3180, 25612), (3370, 24168), (4028, 20220), (4044, 20140), (4240, 19209), (4560, 17861), (5035, 16176), (5055, 16112), (5392, 15105), (6042, 13480), (6360, 12806), (6403, 12720), (6740, 12084), (8056, 10110), (8088, 10070)]