72684640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 204083712

約数和(自身を除く): 131399072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 127, 140, 146, 160, 196, 224, 245, 254, 280, 292, 365, 392, 490, 508, 511, 560, 584, 635, 730, 784, 889, 980, 1016, 1022, 1120, 1168, 1270, 1460, 1568, 1778, 1960, 2032, 2044, 2336, 2540, 2555, 2920, 3556, 3577, 3920, 4064, 4088, 4445, 5080, 5110, 5840, 6223, 7112, 7154, 7840, 8176, 8890, 9271, 10160, 10220, 11680, 12446, 14224, 14308, 16352, 17780, 17885, 18542, 20320, 20440, 24892, 28448, 28616, 31115, 35560, 35770, 37084, 40880, 46355, 49784, 57232, 62230, 64897, 71120, 71540, 74168, 81760, 92710, 99568, 114464, 124460, 129794, 142240, 143080, 148336, 185420, 199136, 248920, 259588, 286160, 296672, 324485, 370840, 454279, 497840, 519176, 572320, 648970, 741680, 908558, 995680, 1038352, 1297940, 1483360, 1817116, 2076704, 2271395, 2595880, 3634232, 4542790, 5191760, 7268464, 9085580, 10383520, 14536928, 18171160, 36342320, 72684640]

約数ペア:

[(1, 72684640), (2, 36342320), (4, 18171160), (5, 14536928), (7, 10383520), (8, 9085580), (10, 7268464), (14, 5191760), (16, 4542790), (20, 3634232), (28, 2595880), (32, 2271395), (35, 2076704), (40, 1817116), (49, 1483360), (56, 1297940), (70, 1038352), (73, 995680), (80, 908558), (98, 741680), (112, 648970), (127, 572320), (140, 519176), (146, 497840), (160, 454279), (196, 370840), (224, 324485), (245, 296672), (254, 286160), (280, 259588), (292, 248920), (365, 199136), (392, 185420), (490, 148336), (508, 143080), (511, 142240), (560, 129794), (584, 124460), (635, 114464), (730, 99568), (784, 92710), (889, 81760), (980, 74168), (1016, 71540), (1022, 71120), (1120, 64897), (1168, 62230), (1270, 57232), (1460, 49784), (1568, 46355), (1778, 40880), (1960, 37084), (2032, 35770), (2044, 35560), (2336, 31115), (2540, 28616), (2555, 28448), (2920, 24892), (3556, 20440), (3577, 20320), (3920, 18542), (4064, 17885), (4088, 17780), (4445, 16352), (5080, 14308), (5110, 14224), (5840, 12446), (6223, 11680), (7112, 10220), (7154, 10160), (7840, 9271), (8176, 8890)]