72855040

素因数分解:

$2^9\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 103919360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 191, 256, 298, 320, 382, 512, 596, 640, 745, 764, 955, 1192, 1280, 1490, 1528, 1910, 2384, 2560, 2980, 3056, 3820, 4768, 5960, 6112, 7640, 9536, 11920, 12224, 15280, 19072, 23840, 24448, 28459, 30560, 38144, 47680, 48896, 56918, 61120, 76288, 95360, 97792, 113836, 122240, 142295, 190720, 227672, 244480, 284590, 381440, 455344, 488960, 569180, 910688, 1138360, 1821376, 2276720, 3642752, 4553440, 7285504, 9106880, 14571008, 18213760, 36427520, 72855040]

約数ペア:

[(1, 72855040), (2, 36427520), (4, 18213760), (5, 14571008), (8, 9106880), (10, 7285504), (16, 4553440), (20, 3642752), (32, 2276720), (40, 1821376), (64, 1138360), (80, 910688), (128, 569180), (149, 488960), (160, 455344), (191, 381440), (256, 284590), (298, 244480), (320, 227672), (382, 190720), (512, 142295), (596, 122240), (640, 113836), (745, 97792), (764, 95360), (955, 76288), (1192, 61120), (1280, 56918), (1490, 48896), (1528, 47680), (1910, 38144), (2384, 30560), (2560, 28459), (2980, 24448), (3056, 23840), (3820, 19072), (4768, 15280), (5960, 12224), (6112, 11920), (7640, 9536)]