66465280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{3709}}^1$

素因数の和:3739

約数の個数: 80

約数和(自身を含む): 182175840

約数和(自身を除く): 115710560

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 3709, 4480, 7418, 8960, 14836, 17920, 18545, 25963, 29672, 37090, 51926, 59344, 74180, 103852, 118688, 129815, 148360, 207704, 237376, 259630, 296720, 415408, 474752, 519260, 593440, 830816, 949504, 1038520, 1186880, 1661632, 1899008, 2077040, 2373760, 3323264, 4154080, 4747520, 6646528, 8308160, 9495040, 13293056, 16616320, 33232640, 66465280]

約数ペア:

[(1, 66465280), (2, 33232640), (4, 16616320), (5, 13293056), (7, 9495040), (8, 8308160), (10, 6646528), (14, 4747520), (16, 4154080), (20, 3323264), (28, 2373760), (32, 2077040), (35, 1899008), (40, 1661632), (56, 1186880), (64, 1038520), (70, 949504), (80, 830816), (112, 593440), (128, 519260), (140, 474752), (160, 415408), (224, 296720), (256, 259630), (280, 237376), (320, 207704), (448, 148360), (512, 129815), (560, 118688), (640, 103852), (896, 74180), (1120, 59344), (1280, 51926), (1792, 37090), (2240, 29672), (2560, 25963), (3584, 18545), (3709, 17920), (4480, 14836), (7418, 8960)]