128707380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 411675264

約数和(自身を除く): 282967884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 243, 270, 284, 324, 355, 373, 405, 426, 486, 540, 639, 710, 746, 810, 852, 972, 1065, 1119, 1215, 1278, 1420, 1492, 1620, 1865, 1917, 2130, 2238, 2430, 2556, 3195, 3357, 3730, 3834, 4260, 4476, 4860, 5595, 5751, 6390, 6714, 7460, 7668, 9585, 10071, 11190, 11502, 12780, 13428, 16785, 17253, 19170, 20142, 22380, 23004, 26483, 28755, 30213, 33570, 34506, 38340, 40284, 50355, 52966, 57510, 60426, 67140, 69012, 79449, 86265, 90639, 100710, 105932, 115020, 120852, 132415, 151065, 158898, 172530, 181278, 201420, 238347, 264830, 302130, 317796, 345060, 362556, 397245, 453195, 476694, 529660, 604260, 715041, 794490, 906390, 953388, 1191735, 1430082, 1588980, 1812780, 2145123, 2383470, 2860164, 3575205, 4290246, 4766940, 6435369, 7150410, 8580492, 10725615, 12870738, 14300820, 21451230, 25741476, 32176845, 42902460, 64353690, 128707380]

約数ペア:

[(1, 128707380), (2, 64353690), (3, 42902460), (4, 32176845), (5, 25741476), (6, 21451230), (9, 14300820), (10, 12870738), (12, 10725615), (15, 8580492), (18, 7150410), (20, 6435369), (27, 4766940), (30, 4290246), (36, 3575205), (45, 2860164), (54, 2383470), (60, 2145123), (71, 1812780), (81, 1588980), (90, 1430082), (108, 1191735), (135, 953388), (142, 906390), (162, 794490), (180, 715041), (213, 604260), (243, 529660), (270, 476694), (284, 453195), (324, 397245), (355, 362556), (373, 345060), (405, 317796), (426, 302130), (486, 264830), (540, 238347), (639, 201420), (710, 181278), (746, 172530), (810, 158898), (852, 151065), (972, 132415), (1065, 120852), (1119, 115020), (1215, 105932), (1278, 100710), (1420, 90639), (1492, 86265), (1620, 79449), (1865, 69012), (1917, 67140), (2130, 60426), (2238, 57510), (2430, 52966), (2556, 50355), (3195, 40284), (3357, 38340), (3730, 34506), (3834, 33570), (4260, 30213), (4476, 28755), (4860, 26483), (5595, 23004), (5751, 22380), (6390, 20142), (6714, 19170), (7460, 17253), (7668, 16785), (9585, 13428), (10071, 12780), (11190, 11502)]