72970240

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 104

約数和(自身を含む): 200515680

約数和(自身を除く): 127545440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 509, 512, 560, 640, 896, 1018, 1024, 1120, 1280, 1792, 2036, 2048, 2240, 2545, 2560, 3563, 3584, 4072, 4096, 4480, 5090, 5120, 7126, 7168, 8144, 8960, 10180, 10240, 14252, 14336, 16288, 17815, 17920, 20360, 20480, 28504, 28672, 32576, 35630, 35840, 40720, 57008, 65152, 71260, 71680, 81440, 114016, 130304, 142520, 143360, 162880, 228032, 260608, 285040, 325760, 456064, 521216, 570080, 651520, 912128, 1042432, 1140160, 1303040, 1824256, 2084864, 2280320, 2606080, 3648512, 4560640, 5212160, 7297024, 9121280, 10424320, 14594048, 18242560, 36485120, 72970240]

約数ペア:

[(1, 72970240), (2, 36485120), (4, 18242560), (5, 14594048), (7, 10424320), (8, 9121280), (10, 7297024), (14, 5212160), (16, 4560640), (20, 3648512), (28, 2606080), (32, 2280320), (35, 2084864), (40, 1824256), (56, 1303040), (64, 1140160), (70, 1042432), (80, 912128), (112, 651520), (128, 570080), (140, 521216), (160, 456064), (224, 325760), (256, 285040), (280, 260608), (320, 228032), (448, 162880), (509, 143360), (512, 142520), (560, 130304), (640, 114016), (896, 81440), (1018, 71680), (1024, 71260), (1120, 65152), (1280, 57008), (1792, 40720), (2036, 35840), (2048, 35630), (2240, 32576), (2545, 28672), (2560, 28504), (3563, 20480), (3584, 20360), (4072, 17920), (4096, 17815), (4480, 16288), (5090, 14336), (5120, 14252), (7126, 10240), (7168, 10180), (8144, 8960)]