180348520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 470292480

約数和(自身を除く): 289943960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 71, 88, 92, 110, 115, 142, 184, 220, 230, 251, 253, 284, 355, 440, 460, 502, 506, 568, 710, 781, 920, 1004, 1012, 1255, 1265, 1420, 1562, 1633, 2008, 2024, 2510, 2530, 2761, 2840, 3124, 3266, 3905, 5020, 5060, 5522, 5773, 6248, 6532, 7810, 8165, 10040, 10120, 11044, 11546, 13064, 13805, 15620, 16330, 17821, 17963, 22088, 23092, 27610, 28865, 31240, 32660, 35642, 35926, 46184, 55220, 57730, 63503, 65320, 71284, 71852, 89105, 89815, 110440, 115460, 127006, 142568, 143704, 178210, 179630, 196031, 230920, 254012, 317515, 356420, 359260, 392062, 409883, 508024, 635030, 712840, 718520, 784124, 819766, 980155, 1270060, 1568248, 1639532, 1960310, 2049415, 2540120, 3279064, 3920620, 4098830, 4508713, 7841240, 8197660, 9017426, 16395320, 18034852, 22543565, 36069704, 45087130, 90174260, 180348520]

約数ペア:

[(1, 180348520), (2, 90174260), (4, 45087130), (5, 36069704), (8, 22543565), (10, 18034852), (11, 16395320), (20, 9017426), (22, 8197660), (23, 7841240), (40, 4508713), (44, 4098830), (46, 3920620), (55, 3279064), (71, 2540120), (88, 2049415), (92, 1960310), (110, 1639532), (115, 1568248), (142, 1270060), (184, 980155), (220, 819766), (230, 784124), (251, 718520), (253, 712840), (284, 635030), (355, 508024), (440, 409883), (460, 392062), (502, 359260), (506, 356420), (568, 317515), (710, 254012), (781, 230920), (920, 196031), (1004, 179630), (1012, 178210), (1255, 143704), (1265, 142568), (1420, 127006), (1562, 115460), (1633, 110440), (2008, 89815), (2024, 89105), (2510, 71852), (2530, 71284), (2761, 65320), (2840, 63503), (3124, 57730), (3266, 55220), (3905, 46184), (5020, 35926), (5060, 35642), (5522, 32660), (5773, 31240), (6248, 28865), (6532, 27610), (7810, 23092), (8165, 22088), (10040, 17963), (10120, 17821), (11044, 16330), (11546, 15620), (13064, 13805)]