128377560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 400075200

約数和(自身を除く): 271697640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 97, 120, 123, 164, 194, 205, 246, 269, 291, 328, 388, 410, 485, 492, 538, 582, 615, 776, 807, 820, 970, 984, 1076, 1164, 1230, 1345, 1455, 1614, 1640, 1940, 2152, 2328, 2460, 2690, 2910, 3228, 3880, 3977, 4035, 4920, 5380, 5820, 6456, 7954, 8070, 10760, 11029, 11640, 11931, 15908, 16140, 19885, 22058, 23862, 26093, 31816, 32280, 33087, 39770, 44116, 47724, 52186, 55145, 59655, 66174, 78279, 79540, 88232, 95448, 104372, 110290, 119310, 130465, 132348, 156558, 159080, 165435, 208744, 220580, 238620, 260930, 264696, 313116, 330870, 391395, 441160, 477240, 521860, 626232, 661740, 782790, 1043720, 1069813, 1323480, 1565580, 2139626, 3131160, 3209439, 4279252, 5349065, 6418878, 8558504, 10698130, 12837756, 16047195, 21396260, 25675512, 32094390, 42792520, 64188780, 128377560]

約数ペア:

[(1, 128377560), (2, 64188780), (3, 42792520), (4, 32094390), (5, 25675512), (6, 21396260), (8, 16047195), (10, 12837756), (12, 10698130), (15, 8558504), (20, 6418878), (24, 5349065), (30, 4279252), (40, 3209439), (41, 3131160), (60, 2139626), (82, 1565580), (97, 1323480), (120, 1069813), (123, 1043720), (164, 782790), (194, 661740), (205, 626232), (246, 521860), (269, 477240), (291, 441160), (328, 391395), (388, 330870), (410, 313116), (485, 264696), (492, 260930), (538, 238620), (582, 220580), (615, 208744), (776, 165435), (807, 159080), (820, 156558), (970, 132348), (984, 130465), (1076, 119310), (1164, 110290), (1230, 104372), (1345, 95448), (1455, 88232), (1614, 79540), (1640, 78279), (1940, 66174), (2152, 59655), (2328, 55145), (2460, 52186), (2690, 47724), (2910, 44116), (3228, 39770), (3880, 33087), (3977, 32280), (4035, 31816), (4920, 26093), (5380, 23862), (5820, 22058), (6456, 19885), (7954, 16140), (8070, 15908), (10760, 11931), (11029, 11640)]