172397720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{839}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 424569600

約数和(自身を除く): 252171880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 467, 839, 934, 1678, 1868, 2335, 3356, 3736, 4195, 4670, 5137, 6712, 8390, 9229, 9340, 10274, 16780, 18458, 18680, 20548, 25685, 33560, 36916, 41096, 46145, 51370, 73832, 92290, 102740, 184580, 205480, 369160, 391813, 783626, 1567252, 1959065, 3134504, 3918130, 4309943, 7836260, 8619886, 15672520, 17239772, 21549715, 34479544, 43099430, 86198860, 172397720]

約数ペア:

[(1, 172397720), (2, 86198860), (4, 43099430), (5, 34479544), (8, 21549715), (10, 17239772), (11, 15672520), (20, 8619886), (22, 7836260), (40, 4309943), (44, 3918130), (55, 3134504), (88, 1959065), (110, 1567252), (220, 783626), (440, 391813), (467, 369160), (839, 205480), (934, 184580), (1678, 102740), (1868, 92290), (2335, 73832), (3356, 51370), (3736, 46145), (4195, 41096), (4670, 36916), (5137, 33560), (6712, 25685), (8390, 20548), (9229, 18680), (9340, 18458), (10274, 16780)]