164564820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1150

約数の個数: 144

約数和(自身を含む): 575422848

約数和(自身を除く): 410858028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 997, 1179, 1260, 1310, 1572, 1834, 1965, 1994, 2358, 2620, 2751, 2991, 3668, 3930, 3988, 4585, 4716, 4985, 5502, 5895, 5982, 6979, 7860, 8253, 8973, 9170, 9970, 11004, 11790, 11964, 13755, 13958, 14955, 16506, 17946, 18340, 19940, 20937, 23580, 27510, 27916, 29910, 33012, 34895, 35892, 41265, 41874, 44865, 55020, 59820, 62811, 69790, 82530, 83748, 89730, 104685, 125622, 130607, 139580, 165060, 179460, 209370, 251244, 261214, 314055, 391821, 418740, 522428, 628110, 653035, 783642, 914249, 1175463, 1256220, 1306070, 1567284, 1828498, 1959105, 2350926, 2612140, 2742747, 3656996, 3918210, 4571245, 4701852, 5485494, 5877315, 7836420, 8228241, 9142490, 10970988, 11754630, 13713735, 16456482, 18284980, 23509260, 27427470, 32912964, 41141205, 54854940, 82282410, 164564820]

約数ペア:

[(1, 164564820), (2, 82282410), (3, 54854940), (4, 41141205), (5, 32912964), (6, 27427470), (7, 23509260), (9, 18284980), (10, 16456482), (12, 13713735), (14, 11754630), (15, 10970988), (18, 9142490), (20, 8228241), (21, 7836420), (28, 5877315), (30, 5485494), (35, 4701852), (36, 4571245), (42, 3918210), (45, 3656996), (60, 2742747), (63, 2612140), (70, 2350926), (84, 1959105), (90, 1828498), (105, 1567284), (126, 1306070), (131, 1256220), (140, 1175463), (180, 914249), (210, 783642), (252, 653035), (262, 628110), (315, 522428), (393, 418740), (420, 391821), (524, 314055), (630, 261214), (655, 251244), (786, 209370), (917, 179460), (997, 165060), (1179, 139580), (1260, 130607), (1310, 125622), (1572, 104685), (1834, 89730), (1965, 83748), (1994, 82530), (2358, 69790), (2620, 62811), (2751, 59820), (2991, 55020), (3668, 44865), (3930, 41874), (3988, 41265), (4585, 35892), (4716, 34895), (4985, 33012), (5502, 29910), (5895, 27916), (5982, 27510), (6979, 23580), (7860, 20937), (8253, 19940), (8973, 18340), (9170, 17946), (9970, 16506), (11004, 14955), (11790, 13958), (11964, 13755)]