81731760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:483

約数の個数: 160

約数和(自身を含む): 280482048

約数和(自身を除く): 198750288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 83, 88, 110, 120, 132, 165, 166, 176, 220, 240, 249, 264, 330, 332, 373, 415, 440, 498, 528, 660, 664, 746, 830, 880, 913, 996, 1119, 1245, 1320, 1328, 1492, 1660, 1826, 1865, 1992, 2238, 2490, 2640, 2739, 2984, 3320, 3652, 3730, 3984, 4103, 4476, 4565, 4980, 5478, 5595, 5968, 6640, 7304, 7460, 8206, 8952, 9130, 9960, 10956, 11190, 12309, 13695, 14608, 14920, 16412, 17904, 18260, 19920, 20515, 21912, 22380, 24618, 27390, 29840, 30959, 32824, 36520, 41030, 43824, 44760, 49236, 54780, 61545, 61918, 65648, 73040, 82060, 89520, 92877, 98472, 109560, 123090, 123836, 154795, 164120, 185754, 196944, 219120, 246180, 247672, 309590, 328240, 340549, 371508, 464385, 492360, 495344, 619180, 681098, 743016, 928770, 984720, 1021647, 1238360, 1362196, 1486032, 1702745, 1857540, 2043294, 2476720, 2724392, 3405490, 3715080, 4086588, 5108235, 5448784, 6810980, 7430160, 8173176, 10216470, 13621960, 16346352, 20432940, 27243920, 40865880, 81731760]

約数ペア:

[(1, 81731760), (2, 40865880), (3, 27243920), (4, 20432940), (5, 16346352), (6, 13621960), (8, 10216470), (10, 8173176), (11, 7430160), (12, 6810980), (15, 5448784), (16, 5108235), (20, 4086588), (22, 3715080), (24, 3405490), (30, 2724392), (33, 2476720), (40, 2043294), (44, 1857540), (48, 1702745), (55, 1486032), (60, 1362196), (66, 1238360), (80, 1021647), (83, 984720), (88, 928770), (110, 743016), (120, 681098), (132, 619180), (165, 495344), (166, 492360), (176, 464385), (220, 371508), (240, 340549), (249, 328240), (264, 309590), (330, 247672), (332, 246180), (373, 219120), (415, 196944), (440, 185754), (498, 164120), (528, 154795), (660, 123836), (664, 123090), (746, 109560), (830, 98472), (880, 92877), (913, 89520), (996, 82060), (1119, 73040), (1245, 65648), (1320, 61918), (1328, 61545), (1492, 54780), (1660, 49236), (1826, 44760), (1865, 43824), (1992, 41030), (2238, 36520), (2490, 32824), (2640, 30959), (2739, 29840), (2984, 27390), (3320, 24618), (3652, 22380), (3730, 21912), (3984, 20515), (4103, 19920), (4476, 18260), (4565, 17904), (4980, 16412), (5478, 14920), (5595, 14608), (5968, 13695), (6640, 12309), (7304, 11190), (7460, 10956), (8206, 9960), (8952, 9130)]