128117600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 342978048

約数和(自身を除く): 214860448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 97, 100, 104, 127, 130, 160, 194, 200, 208, 254, 260, 325, 388, 400, 416, 485, 508, 520, 635, 650, 776, 800, 970, 1016, 1040, 1261, 1270, 1300, 1552, 1651, 1940, 2032, 2080, 2425, 2522, 2540, 2600, 3104, 3175, 3302, 3880, 4064, 4850, 5044, 5080, 5200, 6305, 6350, 6604, 7760, 8255, 9700, 10088, 10160, 10400, 12319, 12610, 12700, 13208, 15520, 16510, 19400, 20176, 20320, 24638, 25220, 25400, 26416, 31525, 33020, 38800, 40352, 41275, 49276, 50440, 50800, 52832, 61595, 63050, 66040, 77600, 82550, 98552, 100880, 101600, 123190, 126100, 132080, 160147, 165100, 197104, 201760, 246380, 252200, 264160, 307975, 320294, 330200, 394208, 492760, 504400, 615950, 640588, 660400, 800735, 985520, 1008800, 1231900, 1281176, 1320800, 1601470, 1971040, 2463800, 2562352, 3202940, 4003675, 4927600, 5124704, 6405880, 8007350, 9855200, 12811760, 16014700, 25623520, 32029400, 64058800, 128117600]

約数ペア:

[(1, 128117600), (2, 64058800), (4, 32029400), (5, 25623520), (8, 16014700), (10, 12811760), (13, 9855200), (16, 8007350), (20, 6405880), (25, 5124704), (26, 4927600), (32, 4003675), (40, 3202940), (50, 2562352), (52, 2463800), (65, 1971040), (80, 1601470), (97, 1320800), (100, 1281176), (104, 1231900), (127, 1008800), (130, 985520), (160, 800735), (194, 660400), (200, 640588), (208, 615950), (254, 504400), (260, 492760), (325, 394208), (388, 330200), (400, 320294), (416, 307975), (485, 264160), (508, 252200), (520, 246380), (635, 201760), (650, 197104), (776, 165100), (800, 160147), (970, 132080), (1016, 126100), (1040, 123190), (1261, 101600), (1270, 100880), (1300, 98552), (1552, 82550), (1651, 77600), (1940, 66040), (2032, 63050), (2080, 61595), (2425, 52832), (2522, 50800), (2540, 50440), (2600, 49276), (3104, 41275), (3175, 40352), (3302, 38800), (3880, 33020), (4064, 31525), (4850, 26416), (5044, 25400), (5080, 25220), (5200, 24638), (6305, 20320), (6350, 20176), (6604, 19400), (7760, 16510), (8255, 15520), (9700, 13208), (10088, 12700), (10160, 12610), (10400, 12319)]