447015680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20543}}^1$

素因数の和:20581

約数の個数: 72

約数和(自身を含む): 1133782272

約数和(自身を除く): 686766592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 20543, 21760, 41086, 82172, 102715, 164344, 205430, 328688, 349231, 410860, 657376, 698462, 821720, 1314752, 1396924, 1643440, 1746155, 2629504, 2793848, 3286880, 3492310, 5259008, 5587696, 6573760, 6984620, 11175392, 13147520, 13969240, 22350784, 26295040, 27938480, 44701568, 55876960, 89403136, 111753920, 223507840, 447015680]

約数ペア:

[(1, 447015680), (2, 223507840), (4, 111753920), (5, 89403136), (8, 55876960), (10, 44701568), (16, 27938480), (17, 26295040), (20, 22350784), (32, 13969240), (34, 13147520), (40, 11175392), (64, 6984620), (68, 6573760), (80, 5587696), (85, 5259008), (128, 3492310), (136, 3286880), (160, 2793848), (170, 2629504), (256, 1746155), (272, 1643440), (320, 1396924), (340, 1314752), (544, 821720), (640, 698462), (680, 657376), (1088, 410860), (1280, 349231), (1360, 328688), (2176, 205430), (2720, 164344), (4352, 102715), (5440, 82172), (10880, 41086), (20543, 21760)]