285080320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31817}}^1$

素因数の和:31845

約数の個数: 72

約数和(自身を含む): 780431904

約数和(自身を除く): 495351584

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 31817, 63634, 127268, 159085, 222719, 254536, 318170, 445438, 509072, 636340, 890876, 1018144, 1113595, 1272680, 1781752, 2036288, 2227190, 2545360, 3563504, 4072576, 4454380, 5090720, 7127008, 8145152, 8908760, 10181440, 14254016, 17817520, 20362880, 28508032, 35635040, 40725760, 57016064, 71270080, 142540160, 285080320]

約数ペア:

[(1, 285080320), (2, 142540160), (4, 71270080), (5, 57016064), (7, 40725760), (8, 35635040), (10, 28508032), (14, 20362880), (16, 17817520), (20, 14254016), (28, 10181440), (32, 8908760), (35, 8145152), (40, 7127008), (56, 5090720), (64, 4454380), (70, 4072576), (80, 3563504), (112, 2545360), (128, 2227190), (140, 2036288), (160, 1781752), (224, 1272680), (256, 1113595), (280, 1018144), (320, 890876), (448, 636340), (560, 509072), (640, 445438), (896, 318170), (1120, 254536), (1280, 222719), (1792, 159085), (2240, 127268), (4480, 63634), (8960, 31817)]