72874480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{727}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 122113040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 560, 716, 727, 895, 1253, 1432, 1454, 1790, 2506, 2864, 2908, 3580, 3635, 5012, 5089, 5816, 6265, 7160, 7270, 10024, 10178, 11632, 12530, 14320, 14540, 20048, 20356, 25060, 25445, 29080, 40712, 50120, 50890, 58160, 81424, 100240, 101780, 130133, 203560, 260266, 407120, 520532, 650665, 910931, 1041064, 1301330, 1821862, 2082128, 2602660, 3643724, 4554655, 5205320, 7287448, 9109310, 10410640, 14574896, 18218620, 36437240, 72874480]

約数ペア:

[(1, 72874480), (2, 36437240), (4, 18218620), (5, 14574896), (7, 10410640), (8, 9109310), (10, 7287448), (14, 5205320), (16, 4554655), (20, 3643724), (28, 2602660), (35, 2082128), (40, 1821862), (56, 1301330), (70, 1041064), (80, 910931), (112, 650665), (140, 520532), (179, 407120), (280, 260266), (358, 203560), (560, 130133), (716, 101780), (727, 100240), (895, 81424), (1253, 58160), (1432, 50890), (1454, 50120), (1790, 40712), (2506, 29080), (2864, 25445), (2908, 25060), (3580, 20356), (3635, 20048), (5012, 14540), (5089, 14320), (5816, 12530), (6265, 11632), (7160, 10178), (7270, 10024)]