282880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 72

約数和(自身を含む): 772632

約数和(自身を除く): 489752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 832, 884, 1040, 1088, 1105, 1280, 1360, 1664, 1768, 2080, 2176, 2210, 2720, 3328, 3536, 4160, 4352, 4420, 5440, 7072, 8320, 8840, 10880, 14144, 16640, 17680, 21760, 28288, 35360, 56576, 70720, 141440, 282880]

約数ペア:

[(1, 282880), (2, 141440), (4, 70720), (5, 56576), (8, 35360), (10, 28288), (13, 21760), (16, 17680), (17, 16640), (20, 14144), (26, 10880), (32, 8840), (34, 8320), (40, 7072), (52, 5440), (64, 4420), (65, 4352), (68, 4160), (80, 3536), (85, 3328), (104, 2720), (128, 2210), (130, 2176), (136, 2080), (160, 1768), (170, 1664), (208, 1360), (221, 1280), (256, 1105), (260, 1088), (272, 1040), (320, 884), (340, 832), (416, 680), (442, 640), (520, 544)]