161231460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2253

約数の個数: 96

約数和(自身を含む): 491417472

約数和(自身を除く): 330186012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 780, 970, 1164, 1261, 1455, 1940, 2131, 2522, 2910, 3783, 4262, 5044, 5820, 6305, 6393, 7566, 8524, 10655, 12610, 12786, 15132, 18915, 21310, 25220, 25572, 27703, 31965, 37830, 42620, 55406, 63930, 75660, 83109, 110812, 127860, 138515, 166218, 206707, 277030, 332436, 413414, 415545, 554060, 620121, 826828, 831090, 1033535, 1240242, 1662180, 2067070, 2480484, 2687191, 3100605, 4134140, 5374382, 6201210, 8061573, 10748764, 12402420, 13435955, 16123146, 26871910, 32246292, 40307865, 53743820, 80615730, 161231460]

約数ペア:

[(1, 161231460), (2, 80615730), (3, 53743820), (4, 40307865), (5, 32246292), (6, 26871910), (10, 16123146), (12, 13435955), (13, 12402420), (15, 10748764), (20, 8061573), (26, 6201210), (30, 5374382), (39, 4134140), (52, 3100605), (60, 2687191), (65, 2480484), (78, 2067070), (97, 1662180), (130, 1240242), (156, 1033535), (194, 831090), (195, 826828), (260, 620121), (291, 554060), (388, 415545), (390, 413414), (485, 332436), (582, 277030), (780, 206707), (970, 166218), (1164, 138515), (1261, 127860), (1455, 110812), (1940, 83109), (2131, 75660), (2522, 63930), (2910, 55406), (3783, 42620), (4262, 37830), (5044, 31965), (5820, 27703), (6305, 25572), (6393, 25220), (7566, 21310), (8524, 18915), (10655, 15132), (12610, 12786)]