263697840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{52321}}^1$

素因数の和:52347

約数の個数: 120

約数和(自身を含む): 1012116768

約数和(自身を除く): 748418928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 52321, 104642, 156963, 209284, 261605, 313926, 366247, 418568, 470889, 523210, 627852, 732494, 784815, 837136, 941778, 1046420, 1098741, 1255704, 1464988, 1569630, 1831235, 1883556, 2092840, 2197482, 2354445, 2511408, 2929976, 3139260, 3296223, 3662470, 3767112, 4185680, 4394964, 4708890, 5493705, 5859952, 6278520, 6592446, 7324940, 7534224, 8789928, 9417780, 10987410, 12557040, 13184892, 14649880, 16481115, 17579856, 18835560, 21974820, 26369784, 29299760, 32962230, 37671120, 43949640, 52739568, 65924460, 87899280, 131848920, 263697840]

約数ペア:

[(1, 263697840), (2, 131848920), (3, 87899280), (4, 65924460), (5, 52739568), (6, 43949640), (7, 37671120), (8, 32962230), (9, 29299760), (10, 26369784), (12, 21974820), (14, 18835560), (15, 17579856), (16, 16481115), (18, 14649880), (20, 13184892), (21, 12557040), (24, 10987410), (28, 9417780), (30, 8789928), (35, 7534224), (36, 7324940), (40, 6592446), (42, 6278520), (45, 5859952), (48, 5493705), (56, 4708890), (60, 4394964), (63, 4185680), (70, 3767112), (72, 3662470), (80, 3296223), (84, 3139260), (90, 2929976), (105, 2511408), (112, 2354445), (120, 2197482), (126, 2092840), (140, 1883556), (144, 1831235), (168, 1569630), (180, 1464988), (210, 1255704), (240, 1098741), (252, 1046420), (280, 941778), (315, 837136), (336, 784815), (360, 732494), (420, 627852), (504, 523210), (560, 470889), (630, 418568), (720, 366247), (840, 313926), (1008, 261605), (1260, 209284), (1680, 156963), (2520, 104642), (5040, 52321)]